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Record Number of Extreme 10”+ Rainfall Months Since 2003

bluewave

By bluewave,
in New York City Metro

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bluewave

bluewave

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The Upton forecast zones have experienced a record number of 10”+rainfall months since 2003. Three of these months set records for all-time  rainfall extremes. August 2014 featured the 1000 year rainfall event at Islip. Several stations in  August 2011 and October 2005 exceeded 20” of rain. July and August 2021 was the first time that NYC recorded 10” of rainfall each month in the same summer.

2021

Monthly Data for August 2021 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY BROOKLYN 3.1 NW CoCoRaHS 11.85
NJ RINGWOOD 3.0 SSE CoCoRaHS 11.38
NJ WEST MILFORD TWP 2.5 SSE CoCoRaHS 10.90
NY NY CITY CENTRAL PARK WBAN 10.32
NJ HARRISON COOP 10.24

Monthly Data for July 2021 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY PORT WASHINGTON 0.8 N CoCoRaHS 14.76
CT NORTHFORD 0.8 SW CoCoRaHS 12.54
CT DARIEN 3.6 N CoCoRaHS 12.06
CT DARIEN 2.4 NW CoCoRaHS 11.43
NY NY CITY CENTRAL PARK WBAN 11.09
CT STRATFORD 0.9 W CoCoRaHS 11.04
CT WESTPORT 2.5 ENE CoCoRaHS 11.01
CT NORWALK 2.9 NNW CoCoRaHS 10.98
CT NORWALK 1.4 ENE CoCoRaHS 10.75
CT DARIEN 1.8 ENE CoCoRaHS 10.71
NY ALBERTSON 0.2 SSE CoCoRaHS 10.68
CT STAMFORD 4.2 S CoCoRaHS 10.62
CT DURHAM 2.2 SSW CoCoRaHS 10.58
NY QUEENS 3.7 N CoCoRaHS 10.54
CT NEW CANAAN 1.9 ENE CoCoRaHS 10.48
NJ LINDEN 2.2 NW CoCoRaHS 10.32
CT WEST HAVEN 0.8 W CoCoRaHS 10.29
CT REDDING 1.4 E CoCoRaHS 10.25
CT MIDDLEFIELD 0.6 SE CoCoRaHS 10.24
NY LOCUST VALLEY 0.3 E CoCoRaHS 10.13


2020


 

Monthly Data for July 2020 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NJ NEWARK LIBERTY INTL AP WBAN 11.22
NJ HARRISON COOP 10.27


2018


 

Monthly Data for September 2018 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
CT MADISON CENTER 4.1 N CoCoRaHS 16.12
CT KILLINGWORTH 2.6 ESE CoCoRaHS 14.36
CT MADISON CENTER 1.6 W CoCoRaHS 13.80
NY PORT JEFFERSON STATION 0.3 SSW CoCoRaHS 13.01
CT UNCASVILLE-OXOBOXO VALLEY 1.6 ENE CoCoRaHS 12.17
CT NORWICH PUBLIC UTILITY PLANT COOP 12.07
NY CENTERPORT COOP 12.02
CT HIGGANUM 0.7 N CoCoRaHS 11.59
CT OAKDALE 2.6 WNW CoCoRaHS 11.59
CT NORWALK 2.9 NNW CoCoRaHS 11.57
CT OLD LYME 3.4 ESE CoCoRaHS 11.01
CT WEST HAVEN 0.8 W CoCoRaHS 10.97
CT ANSONIA 1 NE COOP 10.65
CT NEW CANAAN 1.9 ENE CoCoRaHS 10.58
CT NORWICH 2.5 NNE CoCoRaHS 10.56
CT STAMFORD 3.3 NW CoCoRaHS 10.35
CT MOUNT CARMEL COOP 10.34
CT EAST LYME 0.5 SW CoCoRaHS 10.30
CT SHELTON 2.7 SSE CoCoRaHS 10.22
NY MOUNT SINAI COOP 10.08
CT IVORYTON 0.9 WSW CoCoRaHS 10.05
NJ PALISADES PARK 0.2 WNW CoCoRaHS 10.04
CT DARIEN 1.8 ENE CoCoRaHS 10.04
CT EAST HAVEN 3.5 SSW CoCoRaHS 10.01


 

Monthly Data for August 2018 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NJ CEDAR GROVE TWP 0.4 W CoCoRaHS 14.57
NJ WEST MILFORD TWP 5.7 N CoCoRaHS 12.79
NJ WEST CALDWELL TWP 1.3 NE CoCoRaHS 12.27
NJ CALDWELL ESSEX COUNTY AP WBAN 12.23
NJ LITTLE FALLS TWP 0.5 WNW CoCoRaHS 11.15
NJ RIVER VALE TWP 1.5 S CoCoRaHS 10.95
CT MONROE 0.1 SE CoCoRaHS 10.82
NY MOLLOY CERCOM COOP 10.70
NJ WAYNE TWP 0.8 SSW CoCoRaHS 10.68
NY UPTON COOP - NWSFO NEW YORK COOP 10.49
NY ARMONK 0.3 SE CoCoRaHS 10.48
NJ HAWTHORNE 0.4 S CoCoRaHS 10.36
NJ GLEN ROCK 0.7 SSE CoCoRaHS 10.31
NY YORKTOWN HEIGHTS 0.6 SW CoCoRaHS 10.29
CT MONROE 0.8 W CoCoRaHS 10.18


2014


 

Monthly Data for August 2014 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY ISLIP-LI MACARTHUR AP WBAN 14.07
NY ISLIP 0.2 NW CoCoRaHS 13.83


 

2013


 

Monthly Data for June 2013 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY CARMEL 4N COOP 12.25
CT ANSONIA 1 NE COOP 12.21
CT PORTLAND 0.9 S CoCoRaHS 12.21
CT NEW HAVEN 1.7 NW CoCoRaHS 11.31
CT PROSPECT 1.9 ENE CoCoRaHS 11.15
NY SOUTH SALEM 2.1 NW CoCoRaHS 11.00
CT MOUNT CARMEL COOP 10.76
NY MIDDLE VILLAGE 0.5 SW CoCoRaHS 10.64
CT MILFORD 1.8 E CoCoRaHS 10.41
CT SEYMOUR 3.6 SW CoCoRaHS 10.34
NY BAITING HOLLOW COOP 10.24
CT DANBURY COOP 10.14
CT STAMFORD 5 N COOP 10.12
NY NY CITY CENTRAL PARK WBAN 10.10
NJ OAKLAND 0.9 SSE CoCoRaHS 10.10
NY YORKTOWN HEIGHTS 1W COOP 10.08

 

2011


 

Monthly Data for September 2011 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY WARWICK 3.2 WNW CoCoRaHS 14.95
NY MIDDLETOWN 2 NW COOP 14.62
NY MONTGOMERY ORANGE COUNTY AP WBAN 14.05
NY WALDEN 1 ESE COOP 12.64
NJ WEST MILFORD TWP 3.2 NE CoCoRaHS 11.42
NY WESTCHESTER CO AP WBAN 11.38
CT PUTNAM LAKE COOP 11.35
NJ WEST MILFORD TWP 2.5 SSE CoCoRaHS 11.32
CT DANBURY COOP 10.78
CT DANBURY MUNICIPAL AP WBAN 10.54
NY PORT JERVIS COOP 10.51
NY NEW ROCHELLE 1.3 S CoCoRaHS 10.05


 

Monthly Data for August 2011 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY FLORAL PARK 0.4 W CoCoRaHS 24.34
NY MONROE 1.7 SE CoCoRaHS 20.60
NJ WEST MILFORD TWP 3.2 NE CoCoRaHS 19.95
NJ PLAINFIELD COOP 19.76
NY NY CITY CENTRAL PARK WBAN 18.95
NJ CRANFORD COOP 18.93
NJ WESTFIELD 1.0 NE CoCoRaHS 18.85
NJ NEWARK LIBERTY INTL AP WBAN 18.79
NJ HARRISON COOP 18.58
NJ WOODCLIFF LAKE COOP 18.25
NJ LITTLE FALLS TWP 0.5 WNW CoCoRaHS 17.91
NY STATEN ISLAND 1.4 SE CoCoRaHS 17.85
NJ NEW PROVIDENCE 0.8 ESE CoCoRaHS 17.73
NJ PALISADES PARK 0.2 WNW CoCoRaHS 17.70
NY WEST POINT COOP 17.64
NJ NEW MILFORD COOP 17.58
NY LAGUARDIA AIRPORT WBAN 17.32
NY JFK INTERNATIONAL AIRPORT WBAN 17.24
NJ TETERBORO AIRPORT WBAN 17.10
NJ RINGWOOD COOP 17.07
NJ TENAFLY 1.3 W CoCoRaHS 16.90
NJ RIVER VALE TWP 1.5 S CoCoRaHS 16.79
NJ SADDLE BROOK TWP 0.6 E CoCoRaHS 16.75
NY BEACON 4.2 ESE CoCoRaHS 16.68
NY BRONX COOP 16.42
NJ WEST MILFORD TWP 2.5 SSE CoCoRaHS 16.34
NJ CALDWELL ESSEX COUNTY AP WBAN 16.17
NY MINEOLA COOP 16.01
NJ RINGWOOD 3.0 SSE CoCoRaHS 15.98
NY WANTAGH CEDAR CREEK COOP 15.91
NJ SADDLE BROOK TWP 0.3 NNE CoCoRaHS 15.82
NJ HAWTHORNE 0.4 S CoCoRaHS 15.67
NY WARWICK 3.2 WNW CoCoRaHS 15.65
NY YORKTOWN HEIGHTS 1W COOP 15.59
NJ HAWTHORNE 1.0 SSE CoCoRaHS 15.43
NY WALDEN 1 ESE COOP 15.36
NY COLD SPRING 8.1 NE CoCoRaHS 15.03
NJ WANAQUE 0.6 S CoCoRaHS 14.93
NJ KEARNY 1.7 NW CoCoRaHS 14.87
NJ OAKLAND 0.2 WNW CoCoRaHS 14.83
CT BROOKFIELD 3.3 SSE CoCoRaHS 14.70
NJ PATERSON 2.0 W CoCoRaHS 14.67
NJ DEMAREST 0.6 NNW CoCoRaHS 14.50
NJ OAKLAND 0.9 SSE CoCoRaHS 14.46
NJ GLEN ROCK 0.7 SSE CoCoRaHS 14.31
NY NEW ROCHELLE 1.3 S CoCoRaHS 14.26
NY YORKTOWN HEIGHTS 0.6 SW CoCoRaHS 14.20
NY WESTCHESTER CO AP WBAN 13.97
NY PORT JERVIS COOP 13.79
CT PUTNAM LAKE COOP 13.68
NY MOUNT SINAI COOP 13.64
NY MONTGOMERY ORANGE COUNTY AP WBAN 13.52
CT DANBURY MUNICIPAL AP WBAN 13.41
NJ WAYNE TWP 0.8 SSW CoCoRaHS 12.91
NY SETAUKET STRONG COOP 12.87
NY CENTERPORT COOP 12.54
NY SOUTH SALEM 2.1 NW CoCoRaHS 12.52
CT PORTLAND 0.9 S CoCoRaHS 12.29
CT DARIEN 3.6 N CoCoRaHS 12.16
NY CARMEL HAMLET 5.8 N CoCoRaHS 12.14
NY LEVITTOWN 0.2 E CoCoRaHS 12.12
NJ MIDLAND PARK COOP 12.10
CT MERIDEN MARKHAM MUNICIPAL AP WBAN 12.09
CT NORWICH PUBLIC UTILITY PLANT COOP 12.05
NJ WANAQUE RAYMOND DAM COOP 11.70
CT MILFORD 2.9 ESE CoCoRaHS 11.60
NY ISLIP-LI MACARTHUR AP WBAN 11.58
NY FARMINGDALE REPUBLIC AP WBAN 11.37
CT STEVENSON DAM COOP 11.00
NY BAITING HOLLOW COOP 10.72
NY RIVERHEAD RESEARCH FARM COOP 10.61
NY NORTHPORT 1.6 NNE CoCoRaHS 10.48
CT NEW HAVEN TWEED AP WBAN 10.04
NY EAST MORICHES 0.6 WNW CoCoRaHS 10.01
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bluewave

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2010


 

Monthly Data for October 2010 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY COLD SPRING 8.1 NE CoCoRaHS 10.65


 

Monthly Data for March 2010 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
CT NORWICH PUBLIC UTILITY PLANT COOP 18.24
CT OAKDALE 2.6 WNW CoCoRaHS 17.62
NY BAITING HOLLOW COOP 15.72
NY RIVERHEAD RESEARCH FARM COOP 13.39
NY EAST MORICHES 0.6 WNW CoCoRaHS 13.25
NY BRIDGEHAMPTON COOP 13.25
NY MOUNT SINAI COOP 12.53
NJ CHARLOTTEBURG RESERVOIR COOP 12.47
CT PUTNAM LAKE COOP 12.24
CT GROTON NEW LONDON AP WBAN 12.12
NJ CRANFORD COOP 12.07
CT PROSPECT 1.8 NW CoCoRaHS 12.01
NJ CANOE BROOK COOP 11.99
CT STAMFORD 5 N COOP 11.81
NY LEVITTOWN 0.2 E CoCoRaHS 11.72
NJ NEW PROVIDENCE 0.8 ESE CoCoRaHS 11.55
NY SETAUKET STRONG COOP 11.27
CT DANBURY MUNICIPAL AP WBAN 11.21
CT STRATFORD 0.8 N CoCoRaHS 11.17
NJ WESTFIELD 1.0 NE CoCoRaHS 11.12
NY MIDDLE ISLAND 0.8 ESE CoCoRaHS 11.12
CT EAST HAMPTON 0.6 NE CoCoRaHS 10.97
NY DOBBS FERRY-ARDSLEY COOP 10.94
NY SPRING VALLEY 1.7 N CoCoRaHS 10.92
NY CENTERPORT COOP 10.91
CT PORTLAND 0.9 S CoCoRaHS 10.90
NY JAMESPORT 0.6 SSW CoCoRaHS 10.89
NY WESTHAMPTON GABRESKI AP WBAN 10.88
NY RIVERHEAD 1.3 SSE CoCoRaHS 10.83
NY SHIRLEY BROOKHAVEN AIRPORT WBAN 10.77
CT BRIDGEPORT-SUCCESS HILL COOP 10.71
CT MILFORD 2.9 ESE CoCoRaHS 10.70
NY NY CITY CENTRAL PARK WBAN 10.69
CT NEW HAVEN TWEED AP WBAN 10.52
CT BROOKFIELD 3.3 SSE CoCoRaHS 10.51
CT DARIEN 3.6 N CoCoRaHS 10.42
NY FLORAL PARK 0.4 W CoCoRaHS 10.41
NY MINEOLA COOP 10.34
NY BRONX COOP 10.27
NJ ESSEX FELLS SERVICE BLDG COOP 10.22
CT IGOR I SIKORSKY MEMORIAL AIRPORT WBAN 10.19
NJ NEWARK LIBERTY INTL AP WBAN 10.08
NY SHOREHAM 1.8 SSE CoCoRaHS 10.02
NJ LITTLE FALLS TWP 0.5 WNW CoCoRaHS 10.01
 

2009
 

Monthly Data for June 2009 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY MIDDLETOWN 2 NW COOP 11.61
NY MONTGOMERY ORANGE COUNTY AP WBAN 11.07
NJ HARRISON COOP 10.71
NY NY CITY CENTRAL PARK WBAN 10.05
NJ RUTHERFORD 1.2 N CoCoRaHS 10.03


2008


 

Monthly Data for September 2008 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
CT NORWICH PUBLIC UTILITY PLANT COOP 12.12
CT JEWETT CITY COOP 11.38
CT DANBURY COOP 10.24
NJ NEW MILFORD COOP 10.08
NY BRIDGEHAMPTON COOP 10.03


2007

Monthly Data for April 2007 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NJ HARRISON COOP 13.69
NJ TETERBORO AIRPORT WBAN 13.61
NY NY CITY CENTRAL PARK WBAN 13.05
NY WESTCHESTER CO AP WBAN 12.78
NJ CRANFORD COOP 12.51
CT STAMFORD 5 N COOP 12.45
NJ CANOE BROOK COOP 12.23
NY BRONX COOP 12.12
NY DOBBS FERRY-ARDSLEY COOP 12.07
NJ NEW MILFORD COOP 11.95
NJ NEWARK LIBERTY INTL AP WBAN 11.85
NY LAGUARDIA AIRPORT WBAN 11.78
CT ANSONIA 1 NE COOP 11.63
NJ LITTLE FALLS COOP 11.44
NJ NEWARK COOP 11.14
NJ WOODCLIFF LAKE COOP 11.05
NY NEW YORK AVE V BROOKLYN COOP 10.66
NJ ESSEX FELLS SERVICE BLDG COOP 10.46


2005

 

Monthly Data for October 2005 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NJ MIDLAND PARK COOP 25.09
NY WEST POINT COOP 21.10
NY RIVERHEAD RESEARCH FARM COOP 20.32
NY BRIDGEHAMPTON COOP 19.96
NY CENTERPORT COOP 18.69
NY OCEANSIDE COOP 18.26
NY MIDDLETOWN 2 NW COOP 18.26
NY WESTHAMPTON GABRESKI AP WBAN 17.98
NY SHIRLEY BROOKHAVEN AIRPORT WBAN 17.96
NY WALDEN 1 ESE COOP 17.90
NJ GREENWOOD LAKE COOP 17.49
NY YORKTOWN HEIGHTS 1W COOP 17.24
NY CARMEL 4N COOP 16.92
NJ CHARLOTTEBURG RESERVOIR COOP 16.83
NY NY CITY CENTRAL PARK WBAN 16.73
NY PORT JERVIS COOP 16.61
CT MERIDEN MARKHAM MUNICIPAL AP WBAN 16.47
NY DOBBS FERRY-ARDSLEY COOP 16.24
NY WANTAGH CEDAR CREEK COOP 16.17
NJ RINGWOOD COOP 16.08
CT PUTNAM LAKE COOP 15.92
CT DANBURY COOP 15.86
NY MINEOLA COOP 15.73
NY FARMINGDALE REPUBLIC AP WBAN 15.67
NY WESTCHESTER CO AP WBAN 15.66
NY BRONX COOP 15.55
NY STERLING FOREST COOP 15.42
CT DANBURY MUNICIPAL AP WBAN 15.36
CT NORWICH PUBLIC UTILITY PLANT COOP 15.24
CT STEVENSON DAM COOP 15.19
NJ WOODCLIFF LAKE COOP 15.17
NJ NEW MILFORD COOP 15.10
NY JFK INTERNATIONAL AIRPORT WBAN 14.97
NY SUFFERN COOP 14.86
CT STAMFORD 5 N COOP 14.73
NY LAGUARDIA AIRPORT WBAN 14.71
NJ CALDWELL ESSEX COUNTY AP WBAN 14.61
CT NEW HAVEN TWEED AP WBAN 14.60
NY ISLIP-LI MACARTHUR AP WBAN 14.07
NJ PLAINFIELD COOP 14.05
NJ HARRISON COOP 14.01
NJ CANOE BROOK COOP 13.95
NY EAST HAMPTON AP WBAN 13.85
NJ CRANFORD COOP 13.84
NY MONTAUK AIRPORT WBAN 13.45
NY MONTGOMERY ORANGE COUNTY AP WBAN 13.38
NJ NEWARK LIBERTY INTL AP WBAN 13.22
NY GARDNERVILLE COOP 13.14
NJ TETERBORO AIRPORT WBAN 12.90
CT GROTON NEW LONDON AP WBAN 12.75
NJ LITTLE FALLS COOP 12.40
NY NEW YORK AVE V BROOKLYN COOP 12.35
CT IGOR I SIKORSKY MEMORIAL AIRPORT WBAN 12.08
CT JEWETT CITY COOP 12.07
NJ NEWARK COOP 12.04
NY SETAUKET STRONG COOP 12.00
NJ WAYNE COOP 11.90


2004


 

Monthly Data for September 2004 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY YORKTOWN HEIGHTS 1W COOP 13.17
NY DOBBS FERRY-ARDSLEY COOP 13.01
NY WESTCHESTER CO AP WBAN 12.56
NY CENTERPORT COOP 12.50
NY BRONX COOP 12.42
NJ PLAINFIELD COOP 12.23
NY WEST POINT COOP 12.04
NY NY CITY CENTRAL PARK WBAN 11.51
CT STAMFORD 5 N COOP 11.35
NY BRIDGEHAMPTON COOP 11.23
NJ NEW MILFORD COOP 11.07
CT NORWICH PUBLIC UTILITY PLANT COOP 10.88
NJ TETERBORO AIRPORT WBAN 10.56
NY STERLING FOREST COOP 10.51
NY CARMEL 4N COOP 10.41
NY SUFFERN COOP 10.31
NY LAGUARDIA AIRPORT WBAN 10.28
NJ WOODCLIFF LAKE COOP 10.02


 

Monthly Data for July 2004 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NJ HARRISON COOP 11.72
NJ WOODCLIFF LAKE COOP 11.45
NJ PLAINFIELD COOP 10.97
NJ ESSEX FELLS SERVICE BLDG COOP 10.46
NY BRONX COOP 10.40
NJ CRANFORD COOP 10.09
NJ TETERBORO AIRPORT WBAN 10.05


2003

Monthly Data for September 2003 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY WEST POINT COOP 15.05
CT MERIDEN MARKHAM MUNICIPAL AP WBAN 10.07


 

Monthly Data for June 2003 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY OCEANSIDE COOP 12.47
NY CENTERPORT COOP 12.46
NJ CHARLOTTEBURG RESERVOIR COOP 11.37
NJ NEWARK COOP 10.94
NJ HARRISON COOP 10.87
NJ ESSEX FELLS SERVICE BLDG COOP 10.85
NY ISLIP-LI MACARTHUR AP WBAN 10.80
NY BRONX COOP 10.70
NY SEA CLIFF COOP 10.62
NJ NEWARK LIBERTY INTL AP WBAN 10.50
NJ PLAINFIELD COOP 10.39
NJ CANOE BROOK COOP 10.27
NY NY CITY CENTRAL PARK WBAN 10.26
NY FARMINGDALE REPUBLIC AP WBAN 10.08
NY SHIRLEY BROOKHAVEN AIRPORT WBAN 10.08
NJ WANAQUE RAYMOND DAM COOP 10.01
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  • bluewave changed the title to Record Number of Extreme 10”+ Rainfall Months Since 2003
uncle W

uncle W

Posted
Posted

NYC's 10" months...

amount month year...

10.32" August 2021

11.09" July 2021

10.10" June 2013
18.95" August 2011
10.69" March 2010
13.05" April 2007
16.73" October 2005
11.51" September 2004
10.27" June 2003
12.36" August 1990
10.24" May 1989
14.01" April 1983
10.54" March 1983
10.41" March 1980
10.52" January 1979
12.26" November 1977
11.77" July 1975
12.41" November 1972
10.86" August 1955
10.30" September 1944
11.96" September 1934
10.09" September 1933
12.97" October 1913
13.31" October 1903
11.89" July 1889
16.85" September 1882

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LibertyBell

LibertyBell

Posted
Posted
1 hour ago, uncle W said:

NYC's 10" months...

amount month year...

10.32" August 2021

11.09" July 2021

10.10" June 2013
18.95" August 2011
10.69" March 2010
13.05" April 2007
16.73" October 2005
11.51" September 2004
10.27" June 2003
12.36" August 1990
10.24" May 1989
14.01" April 1983
10.54" March 1983
10.41" March 1980
10.52" January 1979
12.26" November 1977
11.77" July 1975
12.41" November 1972
10.86" August 1955
10.30" September 1944
11.96" September 1934
10.09" September 1933
12.97" October 1913
13.31" October 1903
11.89" July 1889
16.85" September 1882

question is when will NYC break 20" in a month or even 24"

 

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uncle W

uncle W

Posted
Posted
18 minutes ago, LibertyBell said:

But that could be rain :(  Did 1983 have that kind of rainfall in the winter?  At least the cold air was timed just right with the moisture for the big one in February.

1978 and 1979 had the wettest January's...January 78 did have a big storm...79 did not...

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uncle W

uncle W

Posted
Posted
3 hours ago, uncle W said:

NYC's 10" months...

amount month year...

10.32" August 2021

11.09" July 2021

10.10" June 2013
18.95" August 2011
10.69" March 2010
13.05" April 2007
16.73" October 2005
11.51" September 2004
10.27" June 2003
12.36" August 1990
10.24" May 1989
14.01" April 1983
10.54" March 1983
10.41" March 1980
10.52" January 1979
12.26" November 1977
11.77" July 1975
12.41" November 1972
10.86" August 1955
10.30" September 1944
11.96" September 1934
10.09" September 1933
12.97" October 1913
13.31" October 1903
11.89" July 1889
16.85" September 1882

found some more that were recorded on Governors Island before 1869...

14.22" August 1826...

12.53" June 1826...

11.19" April 1854...

 

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uncle W

uncle W

Posted
Posted
3 minutes ago, LibertyBell said:

Yep, but there was a big storm in Feb 1979 that we were on the edge of the heavier totals.  That was a very cold month wasn't it?  Imagine if it was wet like January was.....

yeah 1979 from Feb 7th to the 19th had one of the coldest snowiest periods on record...

 

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LibertyBell

LibertyBell

Posted
Posted
1 hour ago, uncle W said:

yeah 1979 from Feb 7th to the 19th had one of the coldest snowiest periods on record...

 

I was wondering if we could ever have a snowy blizzard here with temps at or below 0.  The closest to that which I remember happened in January 2004 with anywhere from 40:1 to 80:1 ratios.  I think we were in the single digits in that storm, with about 10 inches of snow.  The second big snowstorm that season, after the great December 2003 two day blizzard.

 

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bluewave

bluewave

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A recent study also found an abrupt shift to more extreme precipitation in the Northeast over this same time period.

https://journals.ametsoc.org/view/journals/hydr/18/6/jhm-d-16-0195_1.xml

Abstract

The northeastern United States has experienced a large increase in precipitation over recent decades. Annual and seasonal changes of total and extreme precipitation from station observations in the Northeast were assessed over multiple time periods spanning 1901–2014. Spatially averaged, both annual total and extreme precipitation across the Northeast increased significantly since 1901, with changepoints occurring in 2002 and 1996, respectively. Annual extreme precipitation experienced a larger increase than total precipitation; extreme precipitation from 1996 to 2014 is 53% higher than from 1901 to 1995. Spatially, coastal areas receive more total and extreme precipitation on average, but increases across the changepoints are distributed fairly uniformly across the domain. Increases in annual total precipitation across the 2002 changepoint are driven by significant total precipitation increases in fall and summer, while increases in annual extreme precipitation across the 1996 changepoint are driven by significant extreme precipitation increases in fall and spring. The ability of gridded observed and reanalysis precipitation data to reproduce station observations was also evaluated. Gridded observations perform well in reproducing averages and trends of annual and seasonal total precipitation, but extreme precipitation trends show significantly different spatial and domain-averaged trends than station data. The North American Regional Reanalysis generally underestimates annual and seasonal total and extreme precipitation means and trends relative to station observations, and also shows substantial differences in the spatial pattern of total and extreme precipitation trends within the Northeast.

1. Introduction

Multiple studies have found increasing total and extreme precipitation across the northeastern United States (Kunkel et al. 2013a; Peterson et al. 2013; Hayhoe et al. 2007), and extreme precipitation events have increased faster over the Northeast region than in any other part of the United States (Kunkel et al. 2013a). Hayhoe et al. (2007) found an increase of 10 mm decade−1 in annual total precipitation from 1900 to 1999 using the 93 stations in the U.S. Historical Climatology Network in the states of Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, and Pennsylvania. Using the U.S. Climate Divisional Dataset, version 2, over the domain of Hayhoe et al. (2007) plus Maryland, Delaware, West Virginia, and Washington, D.C., Kunkel et al. (2013b) found a 10.2 mm decade−1 increase in annual total precipitation over 1895–2011. However, across a similar time period (1901–2000) as Hayhoe et al. (2007), Walsh et al. (2014) and Kunkel et al. (2013b) found a trend of approximately 5.6 mm decade−1.

Extreme precipitation events have also been increasing across the Northeast, both in intensity and frequency, particularly over the past three decades (Walsh et al. 2014; Kunkel et al. 2013a; Hoerling et al. 2016). This increase in extreme precipitation events is consistent with expected impacts of climate change on precipitation, primarily more extreme events driven by the ability of the atmosphere to hold more water as described by the Clausius–Clapeyron relationship (e.g., Trenberth 1998; Mishra et al. 2012; Prein et al. 2017). Kunkel et al. (2013a) found significant increases in both 2-day precipitation events that occur once every 5 years and the amount of precipitation falling on the 1% wettest days during the time period 1957–2010 for the Northeast. Hoerling et al. (2016) discovered a 2%–3% increase per decade in both the total amount and frequency of heavy precipitation events (5% wettest days) in the Northeast over 1901–2013, with the increases in heavy precipitation total amount, frequency, and intensity accelerating after 1979. Walsh et al. (2014) also evaluated trends in the amount of precipitation falling in the Northeast on the 1% wettest days using the Global Historical Climatology Network-Daily (GHCN-D) dataset, finding a striking increase of 71% from 1958 to 2012.

Given the growing consensus on the recent dramatic increase of extreme precipitation across the Northeast, our motivation is to explore the temporal and spatial attributes of precipitation increases in greater detail, as well as to assess the ability of gridded observational and reanalysis datasets to capture this precipitation increase. Specifically, we add to this literature by 1) assessing the sensitivity of total and extreme precipitation changes to the time period of analysis [sections 3a(1), 3a(3)]; 2) exploring the spatial distribution of total and extreme precipitation across the Northeast [sections 3a(2), 3a(4)]; 3) analyzing seasonal changes in total and extreme precipitation [section 3a(5)]; and 4) evaluating the consistency of means and trends in precipitation across station, gridded, and reanalysis data (section 3b).


4. Conclusions

Over the 1901–2014 station observational record in the Northeast, we find a significant 6.8% (0.6% decade−1) increase in annual total precipitation and a much larger 41% (3.6% decade−1) increase in annual extreme precipitation. However, a key conclusion of our study is that the recent increases in annual total and extreme precipitation in the Northeast are best characterized as abrupt shifts in 2002 and 1996, respectively, rather than long-term increases over several decades as could be implied from a linear trend. While the pre-changepoint trends in annual total (1901–2001; −1.6 mm decade−1) and annual extreme (1901–95; 0.1 mm decade−1) precipitation are not statistically significant, total precipitation from 2002 to 2014 was 13% higher than from 1901 to 2001 and extreme precipitation from 1996 to 2014 was 53% higher than from 1901 to 1995, with both increases being statistically significant. The fact that these wetter periods both abut the end of our record in 2014 means that any long-term linear trends are highly dependent on their start date and should therefore be interpreted with caution, particularly when extrapolating into the future. Of note, the recent 2015–16 drought in the Northeast is not included in our analyses, although it is not likely to change the significance of the post-changepoint increases.

Spatially, we find that the increases in annual total and extreme precipitation are widespread across the Northeast domain, with the exception of smaller increases and even some significant decreases to the east of Lake Erie, and in the southern part of the domain in West Virginia, Maryland, and Delaware. Our seasonal analysis reveals that fall and summer total precipitation have statistically significant increases after changepoints in 2002 and 2003, respectively, suggesting that they contribute to the annual total precipitation changepoint in 2002. The extreme precipitation increase across the 1996 changepoint is associated with 83% and 85% increases in spring and fall extreme precipitation, respectively, and may indicate common atmospheric forcing of spring and fall extreme precipitation in the mid- to late 1990s. The increase in fall precipitation across the 1995 changepoint is consistent with the finding of Kunkel et al. (2010) that increased heavy precipitation associated with tropical cyclones after 1994 is an important driver of the overall increase in extreme precipitation. Our ongoing investigations into the underlying dynamical causes for Northeast annual total and extreme precipitation increases are focusing on these critical time periods in the late 1990s and early 2000s.

Our comparison of spatial and temporal extreme precipitation patterns in station (GHCN-D), gridded (LI2013), and reanalysis (NARR) datasets shows that LI2013 is more consistent with station data than NARR. LI2013 reasonably captures the mean (within 2%) and seasonality (within 11%) of GHCN-D extreme precipitation, but contains significant differences in its trends. NARR underestimates regionally averaged extreme precipitation across all seasons by 1%–16%, and the annual extreme trends show significant differences in their spatial distribution, particularly over New England. Perhaps more importantly, both the NARR and LI2013 annual extreme time series have no significant changepoints.

LI2013 does, however, reproduce GHCN-D regionally averaged annual and seasonal total precipitation within 5% (and usually within 3%), and its trends faithfully capture those from station observations both across the region and averaged over the Northeast. In addition, LI2013 has a changepoint in 2003, only one year later than the changepoint identified in GHCN-D annual total precipitation. However, NARR underestimates annual and seasonal total precipitation by 3%–10% and has annual total precipitation trends that are a factor of 2–9 times smaller than GHCN-D trends. Spatially, NARR is also less accurate than LI2013, with decreasing 1979–2014 trends over much of the coastal and western portions of the domain where GHCN-D trends are positive. This comparison of LI2013 and NARR to GHCN-D provides important information on the strengths and limitations of these products for use in analyzing hydroclimate, forcing climate impacts models, and identifying drivers of total and extreme precipitation.

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bluewave

bluewave

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7 hours ago, Rjay said:

Didn't almost all of Islip's 14.07" of rain in August 2014 fall in 2.5 hours?  13"+ right?

Yes. Islip reached 10” of rain in a little over 2 hrs.

https://hdsc.nws.noaa.gov/pub/hdsc/data/aep/201408_New_York/11_Islip_2014.pdf

https://www.weather.gov/owp/hdsc_aep

https://www.weather.gov/okx/HistoricFlooding_081314

SUMMARY:An official, New York State 24 hour precipitation record was set at Islip, NY on August 12-13, 2014 with 13.57" of rain (See Public Information Statement). This breaks the previous record of 11.6" at Tannersville, NY on August 27-28, 2011 during Hurricane/Tropical storm Irene. 1.08" fell in just 8 minutes from 5:39 am to 5:47 am (See Islip, NY Rainfall Data)! 

 

 

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LibertyBell

LibertyBell

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15 hours ago, bluewave said:

Yes. Islip reached 10” of rain in a little over 2 hrs.

https://hdsc.nws.noaa.gov/pub/hdsc/data/aep/201408_New_York/11_Islip_2014.pdf

https://www.weather.gov/owp/hdsc_aep

https://www.weather.gov/okx/HistoricFlooding_081314

SUMMARY:An official, New York State 24 hour precipitation record was set at Islip, NY on August 12-13, 2014 with 13.57" of rain (See Public Information Statement). This breaks the previous record of 11.6" at Tannersville, NY on August 27-28, 2011 during Hurricane/Tropical storm Irene. 1.08" fell in just 8 minutes from 5:39 am to 5:47 am (See Islip, NY Rainfall Data)! 

 

 

Does this break the hourly record too?  That was like a monsoon.....

 

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bluewave

bluewave

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September was the third consecutive month with our local stations exceeding 10” of rainfall. Several locations exceeded a 1000 year annual recurrence interval for our older climate with Ida. The office of water prediction keeps a list of these events.


 

Monthly Data for September 2021 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
CT RIDGEFIELD 1.9 SSE CoCoRaHS 12.16
CT RIDGEFIELD 3.7 NNE CoCoRaHS 11.94
CT DARIEN 2.4 NW CoCoRaHS 11.82
NJ NORTH ARLINGTON 0.7 WNW CoCoRaHS 11.70
CT DARIEN 3.6 N CoCoRaHS 11.69
NJ HARRISON COOP 11.47
CT NEW CANAAN 1.9 ENE CoCoRaHS 11.13
CT BROOKFIELD 3.3 SSE CoCoRaHS 10.98
CT WILTON 1.9 NW CoCoRaHS 10.98
CT NEW CANAAN 3.8 N CoCoRaHS 10.81
CT DARIEN 1.8 ENE CoCoRaHS 10.68
NY STATEN ISLAND 4.5 SSE CoCoRaHS 10.66
NJ MAPLEWOOD TWP 0.9 SE CoCoRaHS 10.65
CT NORWICH 2.5 NNE CoCoRaHS 10.61
CT BETHEL 3.5 NNE CoCoRaHS 10.58
CT NORWALK 2.9 NNW CoCoRaHS 10.58
NJ NEWARK LIBERTY INTL AP WBAN 10.50
CT WALLINGFORD CENTER 1.9 WNW CoCoRaHS 10.38
NJ KEARNY 1.7 NW CoCoRaHS 10.36
NJ LINDEN 2.2 NW CoCoRaHS 10.16
NJ TENAFLY 1.3 W CoCoRaHS 10.09
NY NY CITY CENTRAL PARK WBAN 10.03



https://www.weather.gov/owp/hdsc_aep

 

 

 

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bluewave

bluewave

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We can add July 2023 for our northern areas and September 2023 around NYC.


 

Monthly Data for July 2023 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY WEST POINT COOP 18.12
CT WATERBURY 1.3 WNW CoCoRaHS 15.31
NY BEACON 4.2 ESE CoCoRaHS 14.21
NY SHRUB OAK COOP 12.96
NY PORT JERVIS 2.9 ESE CoCoRaHS 12.82
NY SOUTH SALEM 2.1 NW CoCoRaHS 12.60
NY THORNWOOD 0.7 NW CoCoRaHS 12.32
NY NEW HEMPSTEAD 0.6 SE CoCoRaHS 11.58
NY STONY POINT 0.7 NW CoCoRaHS 11.57
NY WALDEN 1.2 S CoCoRaHS 11.51
NY PORT JERVIS COOP 11.49
NY SOUTH SALEM 0.8 N CoCoRaHS 11.40
NY PEEKSKILL 0.4 N CoCoRaHS 11.37
CT EAST LYME 0.5 SW CoCoRaHS 10.97
NY CORNWALL ON HUDSON 0.6 NNW CoCoRaHS 10.91
CT SEYMOUR 1.2 WSW CoCoRaHS 10.86
CT NORTHFORD 0.8 SW CoCoRaHS 10.81
NY BRIARCLIFF MANOR 1.3 NE CoCoRaHS 10.76
NY MONTGOMERY ORANGE COUNTY AP WBAN 10.51
CT RIDGEFIELD 3.6 N CoCoRaHS 10.48
CT GUILFORD COOP 10.41
CT BROOKFIELD 3.3 SSE CoCoRaHS 10.38
CT ANSONIA 1 NE COOP 10.16
NY CARMEL 4N COOP 10.05
CT RIDGEFIELD 3.7 NNE CoCoRaHS 10.05
NY PINE BUSH 3.4 WSW CoCoRaHS 10.04


 

Monthly Data for September 2023 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY NY CITY CENTRAL PARK WBAN 14.21
CT DANBURY MUNICIPAL AP WBAN 13.21
NY JFK INTERNATIONAL AIRPORT WBAN 12.79
NY LAGUARDIA AIRPORT WBAN 12.67
CT CROMWELL 0.4 WNW CoCoRaHS 12.40
CT PUTNAM LAKE COOP 11.56
CT PROSPECT 1.9 ENE CoCoRaHS 11.04
CT GRISWOLD 0.9 N CoCoRaHS 10.84
CT SEYMOUR 1.2 WSW CoCoRaHS 10.52
CT MIDDLEFIELD 0.6 SE CoCoRaHS 10.45
CT MERIDEN 2.8 WSW CoCoRaHS 10.45
NY WESTCHESTER CO AP WBAN 10.30
CT NORWICH 2.5 NNE CoCoRaHS 10.23
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bluewave

bluewave

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We can add December to the list with 3 stations reaching 10.00”+.

 

Monthly Data for December 2023 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
CT ANSONIA 1 NE COOP 11.33
NJ WANAQUE RAYMOND DAM COOP 10.67
NJ CHARLOTTEBURG RESERVOIR COOP 10.25
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bluewave

bluewave

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We can add March 2024 to the list with numerous stations recording over 10.00.

 

Monthly Data for March 2024 for Upton NY NWS CWA
Click column heading to sort ascending, click again to sort descending.
State
Name
Station Type
Total Precipitation 
NY SMITHTOWN 2.0 SSW CoCoRaHS 12.61
CT SALEM 3.6 SE CoCoRaHS 12.37
CT OAKDALE 2.6 WNW CoCoRaHS 12.15
NY HOWARD BEACH 0.4 NNW CoCoRaHS 11.96
CT NORWICH 2.5 NNE CoCoRaHS 11.93
CT NORWICH 5.2 SE CoCoRaHS 11.75
NY ST. JAMES COOP 11.64
NY DEER PARK 1.0 NE CoCoRaHS 11.58
CT STRATFORD 0.2 ESE CoCoRaHS 11.50
CT GUILFORD CENTER 2.7 WSW CoCoRaHS 11.47
CT EAST LYME 0.5 SW CoCoRaHS 11.40
CT COLCHESTER 0.6 ENE CoCoRaHS 11.36
CT FAIRFIELD 1.5 NE CoCoRaHS 11.30
NY NORTHPORT 1.6 NNE CoCoRaHS 11.27
CT HIGGANUM 0.8 NE CoCoRaHS 11.25
CT JEWETT CITY 3.0 ESE CoCoRaHS 11.18
CT GUILFORD COOP 11.17
CT STRATFORD 0.9 W CoCoRaHS 11.16
CT HIGGANUM 0.7 N CoCoRaHS 11.07
CT MYSTIC 3.4 NW CoCoRaHS 11.05
NY MALVERNE 0.5 SE CoCoRaHS 11.03
NY LITTLE NECK 0.3 SE CoCoRaHS 10.94
CT NORTHFORD 0.8 SW CoCoRaHS 10.94
NY CENTEREACH 1.3 NE CoCoRaHS 10.89
NY SETAUKET-EAST SETAUKET 2.1 WNW CoCoRaHS 10.83
NY CENTERPORT COOP 10.82
CT GRISWOLD 0.9 N CoCoRaHS 10.78
NY SELDEN 1.6 ESE CoCoRaHS 10.73
CT KILLINGWORTH 2.6 ESE CoCoRaHS 10.71
NY MOUNT SINAI COOP 10.69
NY BROOKLYN 3.1 NW CoCoRaHS 10.65
CT ESSEX VILLAGE 0.9 S CoCoRaHS 10.63
NY MANHASSET HILLS 0.2 NNE CoCoRaHS 10.62
CT MIDDLEFIELD 1.4 W CoCoRaHS 10.62
NY ALBERTSON 0.2 SSE CoCoRaHS 10.61
NY BELLMORE 0.9 SSE CoCoRaHS 10.47
NY WANTAGH 0.3 ESE CoCoRaHS 10.46
CT NORWICH PUBLIC UTILITY PLANT COOP 10.45
CT WALLINGFORD CENTER 1.9 WNW CoCoRaHS 10.45
CT IGOR I SIKORSKY MEMORIAL AIRPORT WBAN 10.38
NY BRIGHTWATERS 0.7 NNW CoCoRaHS 10.37
NY AMITYVILLE 0.1 WSW CoCoRaHS 10.36
NY MASSAPEQUA 1.1 SE CoCoRaHS 10.29
CT WALLINGFORD CENTER 3.3 NNW CoCoRaHS 10.28
CT NORWICH 5.4 SE CoCoRaHS 10.25
NY PORT JEFFERSON STATION 0.3 SSW CoCoRaHS 10.17
NY MASSAPEQUA PARK 1.2 N CoCoRaHS 10.15
CT NEW CANAAN 1.9 ENE CoCoRaHS 10.13
CT NORWALK 1.4 ENE CoCoRaHS 10.11
NY UPTON COOP - NWSFO NEW YORK COOP 10.07
NY BAY SHORE 0.5 ESE CoCoRaHS 10.05
NY RIDGE 1.8 SE CoCoRaHS 10.02
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