SACRUS

Records: Highs: EWR: 93 (1991) NYC: 95 (1880) LGA: 95 (2007) JFK: 91 (1991) Lows: EWR: 42 (1956) NYC: 41 (1925) LGA: 44 (1967) JFK: 41 (1967) Historical: 1837: Vicksburg, MS had a series of frosts, "which were extraordinary" for this time of year. (Ref. Wilson Wx. History) 1859: A child was reportedly sucked up by a waterspout at Iowa City, IA and blown 500 yards, but miraculously survived the ordeal. (Ref. Wilson Wx. History) 1880: Record maximum temperature for Washington DC. for the date is 94 °F.(Ref. Washington Weather Records - KDCA) An estimated F2 tornado moved northeast through the town of Mitchell, SD. Two men were killed when they ran out the back door of a saloon in order to reach the cellar entrance. The Caulk Stone Saloon was destroyed along with two homes and several businesses. This tornado was one of the first significant tornadoes on record for the state of South Dakota. (Ref. Wilson Wx. History) 1896: An estimated F5 tornado hit Oakwood, Ortonville, and Thomas, Michigan. Forty-seven people were killed, and 100 were injured. Trees were debarked "even to the twigs, as though done by the careful hand of an experienced artisan." Parts of houses were found up to 12 miles away. 1917 - A tornado ripped through southeast Kansas, traveling 65 mph. The average speed was a record for any tornado. (The Weather Channel) 1920: Fussen, Bavaria Germany recorded 4.96 inches of rain in just 8 minutes to set the world’s rainfall record for that length of time. (Ref. Wilson Wx. History) 1955 - Two tornadoes struck the town of Blackwell, OK, within a few minutes time during the late evening. The tornadoes killed 18 persons and injured more than 500 others. Early the next morning a tornado virtually obliterated the small community of Udall KS killing 80 persons and injuring 270 persons. More than half the persons in the community were killed or injured by the tornado. (David Ludlum) (The Weather Channel) 1967: Boston, Massachusetts recorded destructive winds with a peak gust of 70 mph. 1967: A slow moving nor'easter battered New England with high winds, heavy rain, and record late season snow from this date into the 26th. Boston, MA reported a wind gust of 70 mph. Wind gusts of 70 to 90 mph occurred along the coast. Severe damage occurred from very high tides. Over 7 inches of rain fell at Nantucket, MA with 6.57 inches falling in 24 hours to set a new 24 hour rainfall record. 24.9 inches of snow fell at Mt. Washington, NH to set a new May snowfall record. 10 inches of snow fell near Keene, NH and 6 inches was recorded at Dublin, NH. (Ref. Wilson Wx. History) 1975: On Raccoon Lake, Indiana, lightning struck the motor of a speedboat and traveled up the control wires, killing the driver. The 38-year-old man was knocked into the water by the bolt. His wife and two children, also in the boat, were not injured. 1980: A severe thunderstorm crossed the southern part of Knox County in northern Texas. The storm mainly affected the community of Munday, and to a lesser extent, Knox City. The storm produced hail up to softball size and an incredible 4 to 10 inches of rain. On this date through the 26th, a severe weather outbreak occurred across the state of Florida with wind gusts over 50 mph and many sections with reports of winds 75 to 80 mph. Nine tornadoes were reported across Manatee, Dade, Alachua, Suwannee, Marion, Hendry, Charlotte, Lee, and Monroe counties and funnel clouds were sighted in practically every section of the state. The Coast Guard reported that 39 boats capsized along the lower southwest Florida coast alone during the weekend between Gasparilla and Marco Island. It was miraculous that only one death and no serious injuries were reported in Florida. (Ref. Wilson Wx. History) 1987 - Thunderstorms spawned fifteen tornadoes in West Texas. One thunderstorm spawned a powerful tornado near Gruver, TX, along with golf ball size hail and 75 mph winds. A man on a boat on Lake Bistineau in northwest Louisiana was struck and killed by lightning, while the other three persons in the boat were unharmed. The man reportedly stood up in the boat and asked to be struck by lightning. (The National Weather Summary) (Storm Data) 1988 - Unseasonably cool weather prevailed in the Upper Midwest. Marquette, MI, reported a record low of 26 degrees. Thunderstorms in the north central U.S. produced wind gusts to 62 mph at Idaho Falls, ID, and produced 4 inches of rain in less than four hours in northern Buffalo County. (The National Weather Summary) (Storm Data) 1989 - Thunderstorms developing ahead of a strong cold front produced severe weather from Oklahoma to Ohio through the day and night. Thunderstorms spawned nine tornadoes, and there were 155 reports of large hail and damaging winds. Hail three and a half inches in diameter was reported at Dittmer, MO, and thunderstorm winds gusting to 90 MPH caused twenty million dollars damage at Rockville IN. (The National Weather Summary) (Storm Data) 1990 - Evening thunderstorms spawned four tornadoes in Kansas and Missouri, and there were three dozen reports of large hail or damaging winds. Thunderstorms produced hail two inches in diameter at Cole Camp, and wind gusts to 72 mph at Rosebud. Heavy thunderstorm rains produced flash flooding in central Missouri. Flood waters swept through Washington State Park southwest of Saint Louis, and nearly one hundred persons had to be rescued from water as much as twenty feet deep. The flood waters swept away a number of vehicles, some were carried as much as four miles away. (The National Weather Summary) (Storm Data) 1991: Hot weather prevailed across the Mid-Atlantic States. Philadelphia, PA recorded 96°, making it the sixth 90-degree reading in the month, which set a record. There would be a dozen 90-degree days in the month. Baltimore, MD hit 94° and Dulles Airport at Sterling, VA hit 92° to set record highs for the date. (Ref. Wilson Wx. History) 1992: Chicago, IL dropped to 32°, making this the latest springtime freeze on record besting the previous latest freeze on 5/14/1895. Widespread freezing temperatures do heavy damage to the fruit crop across southwest Lower Michigan. Record lows for today included: Lansing: 29°, Grand Rapids: 31° and Muskegon: 32°. (Ref. Wilson Wx. History) 1994: Henrico County: a 26-year-old male died when he took refuge from a thunderstorm under a tree on a golf course. (Ref. Lightning - Virginia Weather History) 1995: A woman carrying an umbrella was struck outside a high school in Winchester while walking to her car. She suffered first degree burns on her left hand where the lightning came down the umbrella and entered her body and on her right foot where the lightning left her body and entered the ground. (Ref. Lightning - Virginia Weather History) 2008: A rare, large and destructive EF5 tornado created a 43-mile long path across Butler and Black Hawk counties in Iowa. This tornado killed eight people, injured dozens and caused several millions of dollars in damage. The tornado was nearly three-quarters of a mile wide as it moved through the southern end of Parkersburg. A third of the town was affected by devastating damage with nearly 200 homes destroyed. This storm produced the first EF5 tornado in Iowa since 6/13/1976 and only the third EF5 tornado to occur in the United States in the past ten years. 2010: Later in the month, winter made another appearance in the West, with cold and snow crossing the region during May 19-25. On May 25, Salt Lake City measured its latest snow ever. The cool, snowy spring in the West provided ski areas with an extended season. Snowbird in Utah, for example, kept its lifts running into the second weekend of June. (Ref. Weatherwise U.S. Weather Highlights of 2010 page 6 )

59 / 58 the misery continues for those who enjoy some dry / sunny warm weather this time of year. We'll see how much breaks in the clouds and any sun we can get later today and looking better Tuesday but a bit cloudy albeit warmer Wed. Omega - like trough coastas ridge center persists next cut off is Fri - Sun this coming week (still may see a trend unsettled/rainer)and weekend then ridging will push east 6/4 and beyond. 5/25 : Last day of the Memorial Day crapfest 5/26 - 5/28 : Near normal 5/29 - 6/2 : Below normal cut off 5/30-5/31, trough onshore flow 6/1 6/4 - Beyond : Ridge pushes east moderation to warmer / much warmer and next chance of heat

yep 2021 Year Date Weekend Day High (°F) Low (°F) Rainfall 2001 May 25, 2001 Friday 57 53 0.04 2001 May 26, 2001 Saturday 64 53 0.06 2001 May 27, 2001 Sunday 70 57 0.08 2001 May 28, 2001 Memorial Day 72 57 0.05 2002 May 24, 2002 Friday 83 56 0 2002 May 25, 2002 Saturday 71 56 0 2002 May 26, 2002 Sunday 69 56 0 2002 May 27, 2002 Memorial Day 77 59 0 2003 May 23, 2003 Friday 56 50 0.15 2003 May 24, 2003 Saturday 56 51 0.09 2003 May 25, 2003 Sunday 62 53 0.01 2003 May 26, 2003 Memorial Day 56 51 1.28 2004 May 28, 2004 Friday 77 62 0.39 2004 May 29, 2004 Saturday 66 54 0 2004 May 30, 2004 Sunday 73 51 0 2004 May 31, 2004 Memorial Day 64 57 0.22 2005 May 27, 2005 Friday 79 56 Trace 2005 May 28, 2005 Saturday 79 57 0.15 2005 May 29, 2005 Sunday 75 54 0 2005 May 30, 2005 Memorial Day 75 57 Trace 2006 May 26, 2006 Friday 74 59 0.24 2006 May 27, 2006 Saturday 83 64 0.01 2006 May 28, 2006 Sunday 83 66 0 2006 May 29, 2006 Memorial Day 88 66 0.01 2007 May 25, 2007 Friday 90 64 0 2007 May 26, 2007 Saturday 85 71 0 2007 May 27, 2007 Sunday 86 66 0.03 2007 May 28, 2007 Memorial Day 83 67 Trace 2008 May 23, 2008 Friday 69 49 0 2008 May 24, 2008 Saturday 71 53 0 2008 May 25, 2008 Sunday 77 53 0 2008 May 26, 2008 Memorial Day 80 58 0 2009 May 22, 2009 Friday 84 62 0 2009 May 23, 2009 Saturday 73 60 0 2009 May 24, 2009 Sunday 83 60 0 2009 May 25, 2009 Memorial Day 81 63 0 2010 May 28, 2010 Friday 70 56 0 2010 May 29, 2010 Saturday 77 61 0 2010 May 30, 2010 Sunday 84 67 0 2010 May 31, 2010 Memorial Day 86 69 0 2011 May 27, 2011 Friday 83 65 0 2011 May 28, 2011 Saturday 84 67 0 2011 May 29, 2011 Sunday 82 67 0 2011 May 30, 2011 Memorial Day 86 70 0.29 2012 May 25, 2012 Friday 75 60 Trace 2012 May 26, 2012 Saturday 84 67 0.02 2012 May 27, 2012 Sunday 81 64 0.06 2012 May 28, 2012 Memorial Day 89 71 0 2013 May 24, 2013 Friday 65 45 0.3 2013 May 25, 2013 Saturday 54 45 0.14 2013 May 26, 2013 Sunday 66 48 0 2013 May 27, 2013 Memorial Day 73 51 0 2014 May 23, 2014 Friday 71 56 0.91 2014 May 24, 2014 Saturday 70 57 0.4 2014 May 25, 2014 Sunday 80 55 0 2014 May 26, 2014 Memorial Day 86 66 0 2015 May 22, 2015 Friday 74 55 0 2015 May 23, 2015 Saturday 70 49 0 2015 May 24, 2015 Sunday 81 56 0 2015 May 25, 2015 Memorial Day 85 64 0 2016 May 27, 2016 Friday 87 73 0 2016 May 28, 2016 Saturday 92 71 0 2016 May 29, 2016 Sunday 87 70 Trace 2016 May 30, 2016 Memorial Day 82 68 1.65 2017 May 26, 2017 Friday 73 56 0.1 2017 May 27, 2017 Saturday 71 59 0 2017 May 28, 2017 Sunday 71 58 0 2017 May 29, 2017 Memorial Day 61 56 0.13 2018 May 25, 2018 Friday 86 65 0 2018 May 26, 2018 Saturday 89 72 0 2018 May 27, 2018 Sunday 80 56 0.44 2018 May 28, 2018 Memorial Day 69 56 0 2019 May 24, 2019 Friday 73 61 0 2019 May 25, 2019 Saturday 71 55 0 2019 May 26, 2019 Sunday 86 59 0.2 2019 May 27, 2019 Memorial Day 80 64 0 2020 May 22, 2020 Friday 77 54 0.03 2020 May 23, 2020 Saturday 67 55 0.65 2020 May 24, 2020 Sunday 67 52 0 2020 May 25, 2020 Memorial Day 71 55 0 2021 May 28, 2021 Friday 69 49 1.22 2021 May 29, 2021 Saturday 51 47 0.46 2021 May 30, 2021 Sunday 51 47 0.89 2021 May 31, 2021 Memorial Day 70 49 0.02 2022 May 27, 2022 Friday 80 65 0.27 2022 May 28, 2022 Saturday 74 63 0.72 2022 May 29, 2022 Sunday 77 59 0 2022 May 30, 2022 Memorial Day 84 63 0 2023 May 26, 2023 Friday 72 53 0 2023 May 27, 2023 Saturday 78 56 0 2023 May 28, 2023 Sunday 79 59 0 2023 May 29, 2023 Memorial Day 79 59 0 2024 May 24, 2024 Friday 84 68 0 2024 May 25, 2024 Saturday 81 66 0 2024 May 26, 2024 Sunday 82 65 Trace 2024 May 27, 2024 Memorial Day 73 66 0.96 2025 May 23, 2025 Friday 63 47 0.26 2025 May 24, 2025 Saturday 64 48 Trace 2025 May 25, 2025 Sunday 66 52 0 2025 May 26, 2025 Memorial Day 73 52 0

1.72 of this fantastic weather and 3 more days of nice cloudiness . Outside of the breaks of sun Friday it'll be 6 days of clouds and dinginess since the summer / record heat.

Once past this Memorial weekend awfulness a drier week ensues with the brunt of the rains / heavy into the southeast. Still would watch next weekend as the cutoff may still produce some unsettledness between Fri - Sun

Records: Highs: EWR: 93 (1964) NYC: 93 (1975) LGA: 91 (1964) JFK: 86 (1964) Lows: EWR: 40 (1963) NYC: 39 (1963) LGA: 41 (1963) JFK: 41 (1963) Historical: 1807: 10 inch diameter hail was reported at Knoxville, TN. In addition, a tornado reportedly sucked fish out of a creek. (Ref. Wilson Wx. History) 1865: A severe hailstorm near Olathe, KS reportedly caused one fatality. (Ref. Wilson Wx. History) 1877: Heavy snows occurred over parts of the northeast and New England. 4 inches of snow fell in Berkshire County, Massachusetts. 1894 - Six inches of snow blanketed Kentucky. Just four days earlier as much as ten inches of snow had fallen across Kentucky, Tennessee and Virginia. Six days earlier a violent storm had wrecked nine ships on Lake Michigan. (David Ludlum) 1896: An F4 tornado passed just north of Des Moines, IA during the late evening. As many as 7 members of one family were killed at the north edge of Valeria, IA. They were caught in the open, running to the storm cellar. Five others died in a nearby home. A steel railroad rail was reportedly driven 15 feet into the ground. The death toll was at least 21. (Ref. Wilson Wx. History) 1925: Cool weather settled in across the upper Midwest causing low temperatures to fall near the freezing mark in some locations. On this date, Chicago, IL dropped to 37°. (Ref. Wilson Wx. History) 1930 - A tornado touched down near the town of Pratt, KS, and traveled at the incredibly slow speed of just 5 mph. (The Weather Channel) 1940 - Hail fell near Ada OK to a depth of six to eight inches, and rainfall runoff left drifts of hail up to five feet high. (The Weather Channel) 1987 - Severe thunderstorms in southwest Texas spawned a couple of tornadoes near Silverton, and produced golf ball size hail east of the town of Happy. Thunderstorms also produced large hail and damaging winds in Louisiana and Texas. (Storm Data) (The National Weather Summary) 1988 - Thunderstorms produced severe weather in the southeastern U.S. Thunderstorm winds gusted to 88 mph at Columbia, NC. Baseball size hail was reported near Tifton GA. (The National Weather Summary) (Storm Data) 1989 - Thunderstorms developing ahead of a cold front produced severe weather across the Upper Midwest through the day and night. Thunderstorms spawned 30 tornadoes, and there were 158 reports of large hail and damaging winds. A strong (F-3) tornado caused five million dollars damage at Corning, IA, and a powerful (F-4) tornado caused five million dollars damage at Traer, IA. Thunderstorm winds gusting to 88 mph killed one person and injured five others at Stephensville, WI. (The National Weather Summary) (Storm Data) 1990 - Severe thunderstorms spawned two dozen tornadoes from Montana to Oklahoma. Four tornadoes carved a 109-mile path across central Kansas. The third of the four tornadoes blew 88 cars of an 125-car train off the track, stacking them three to four cars high in some cases, and the fourth tornado caused 3.9 million dollars damage. The third tornado injured six persons who were trying to escape in vehicles. A woman was "sucked out" of a truck and said that at one time she was "airborne, trying to run but my feet wouldn't touch the ground". She also saw a live deer "flying through theair". (The National Weather Summary) (Storm Data) 1992: Philadelphia, PA experienced dramatic temperature drop from early afternoon high of 80 to late afternoon readings in the 40s. (Ref. Wilson Wx. History) 2000: Lubbock, TX soared to 109° for their hottest May temperature on record. Midland, TX tied their highest May temperature record with 108°. (Ref. Wilson Wx. History) 2002: The last measurable snow for the season fell at Marquette, MI. This brought the city's seasonal snowfall to 319.8 inches, by far the city's snowiest winter ever. (Ref. Wilson Wx. History) 2004: A hailstone measuring 6 inches in diameter with a circumference of 16.5 inches fell from a supercell thunderstorm at Meadville, MO. (Ref. Wilson Wx. History)

55/ 54 steady rain 1.67 in the bucket. Miserable day / Memorial Day weekend. Rain looks to taper off by 2:00 for most sooner west. HIghs capped in the 50s today. Pokes of sun , showers and back to the 70s for Memorial Day itself. Clouds lingering Tue/Wed for the most part but much warmer . Sunny by Thu and near normal. Weekend cut off has hopefully trended more north and less chance of unsettled weather in a week 5/30 - 5/31, but not 100% sold we dont have another potential ruined weekend. Ridge building east and this more stuck up Omega-ish pattern should flatten and next round of warmth / potential heat 6/4 - beyond.

And Memorial Day Itself back to 20 - a nice 15 year dry stretch in the 30s / 40s. Year Memorial Day Date Day of Week High (°F) Low (°F) Rainfall (in) 1920 May 30, 1920 Sunday 78 53 0.00 1921 May 30, 1921 Monday 76 59 0.00 1922 May 30, 1922 Tuesday 83 62 0.00 1923 May 30, 1923 Wednesday 77 52 0.00 1924 May 30, 1924 Friday 65 49 0.00 1925 May 30, 1925 Saturday 75 55 0.02 1926 May 30, 1926 Sunday 78 54 0.00 1927 May 30, 1927 Monday 73 53 0.00 1928 May 30, 1928 Wednesday 71 55 0.15 1929 May 30, 1929 Thursday 88 68 0.00 1930 May 30, 1930 Friday 64 50 0.00 1931 May 30, 1931 Saturday 90 70 0.00 1932 May 30, 1932 Monday 74 51 0.00 1933 May 30, 1933 Tuesday 70 59 0.35 1934 May 30, 1934 Wednesday 81 58 0.00 1935 May 30, 1935 Thursday 79 62 0.00 1936 May 30, 1936 Saturday 67 52 0.00 1937 May 30, 1937 Sunday 85 56 0.00 1938 May 30, 1938 Monday 65 48 0.00 1939 May 30, 1939 Tuesday 89 68 0.00 1940 May 30, 1940 Thursday 66 49 0.00 1941 May 30, 1941 Friday 79 55 0.00 1942 May 30, 1942 Saturday 92 65 0.00 1943 May 30, 1943 Sunday 77 58 0.00 1944 May 30, 1944 Tuesday 84 57 0.00 1945 May 30, 1945 Wednesday 69 57 0.00 1946 May 30, 1946 Thursday 87 51 0.00 1947 May 30, 1947 Friday 71 52 0.00 1948 May 30, 1948 Sunday 70 64 2.49 1949 May 30, 1949 Monday 69 45 0.00 1950 May 30, 1950 Tuesday 77 56 0.00 1951 May 30, 1951 Wednesday 76 56 0.72 1952 May 30, 1952 Friday 67 56 0.00 1953 May 30, 1953 Saturday 56 50 0.11 1954 May 30, 1954 Sunday 81 64 0.00 1955 May 30, 1955 Monday 80 65 0.14 1956 May 30, 1956 Wednesday 73 54 0.03 1957 May 30, 1957 Thursday 74 55 0.00 1958 May 30, 1958 Friday 80 53 0.00 1959 May 30, 1959 Saturday 89 64 0.00 1960 May 30, 1960 Monday 70 57 0.21 1961 May 30, 1961 Tuesday 68 46 0.00 1962 May 30, 1962 Wednesday 83 61 0.00 1963 May 30, 1963 Thursday 80 59 0.00 1964 May 30, 1964 Saturday 73 48 0.00 1965 May 30, 1965 Sunday 67 48 0.00 1966 May 30, 1966 Monday 73 54 0.00 1967 May 30, 1967 Tuesday 74 48 0.00 1968 May 30, 1968 Thursday 72 54 0.04 1969 May 30, 1969 Friday 90 69 0.00 1970 May 30, 1970 Saturday 68 50 0.00 1971 May 31, 1971 Monday 74 60 0.16 1972 May 29, 1972 Monday 78 56 0.00 1973 May 28, 1973 Monday 70 52 0.59 1974 May 27, 1974 Monday 55 52 0.00 1975 May 26, 1975 Monday 73 54 0.00 1976 May 31, 1976 Monday 76 60 0.00 1977 May 30, 1977 Monday 70 53 0.08 1978 May 29, 1978 Monday 79 62 0.00 1979 May 28, 1979 Monday 75 57 0.20 1980 May 26, 1980 Monday 76 57 0.00 1981 May 25, 1981 Monday 87 67 0.00 1982 May 31, 1982 Monday 66 62 0.04 1983 May 30, 1983 Monday 71 61 1.11 1984 May 28, 1984 Monday 64 56 1.15 1985 May 27, 1985 Monday 86 63 0.04 1986 May 26, 1986 Monday 76 58 0.00 1987 May 25, 1987 Monday 63 53 0.00 1988 May 30, 1988 Monday 87 63 0.00 1989 May 29, 1989 Monday 78 53 0.00 1990 May 28, 1990 Monday 72 56 0.00 1991 May 27, 1991 Monday 89 63 0.55 1992 May 25, 1992 Monday 61 44 0.00 1993 May 31, 1993 Monday 70 57 0.90 1994 May 30, 1994 Monday 83 60 0.00 1995 May 29, 1995 Monday 80 58 0.68 1996 May 27, 1996 Monday 63 51 0.11 1997 May 26, 1997 Monday 70 56 0.00 1998 May 25, 1998 Monday 69 59 0.42 1999 May 31, 1999 Monday 89 68 0.00 2000 May 29, 2000 Monday 65 53 0.00 2001 May 28, 2001 Monday 72 57 0.05 2002 May 27, 2002 Monday 77 59 0.00 2003 May 26, 2003 Monday 56 51 1.28 2004 May 31, 2004 Monday 64 57 0.22 2005 May 30, 2005 Monday 75 57 0.00 2006 May 29, 2006 Monday 88 66 0.01 2007 May 28, 2007 Monday 83 67 0.00 2008 May 26, 2008 Monday 80 58 0.00 2009 May 25, 2009 Monday 81 63 0.00 2010 May 31, 2010 Monday 86 69 0.00 2011 May 30, 2011 Monday 86 70 0.29 2012 May 28, 2012 Monday 89 71 0.00 2013 May 27, 2013 Monday 73 51 0.00 2014 May 26, 2014 Monday 86 66 0.00 2015 May 25, 2015 Monday 85 64 0.00 2016 May 30, 2016 Monday 82 68 1.65 2017 May 29, 2017 Monday 61 56 0.13 2018 May 28, 2018 Monday 69 56 0.00 2019 May 27, 2019 Monday 80 64 0.00 2020 May 25, 2020 Monday 71 55 0.00 2021 May 31, 2021 Monday 70 49 0.02 2022 May 30, 2022 Monday 84 63 0.00 2023 May 29, 2023 Monday 79 59 0.00 2024 May 27, 2024 Monday 73 66 0.96 2025 May 26, 2025 Monday 73 52 0.00 NYC Central Park Memorial Day Climatology (1920–2025) 106 Years of Historical Memorial Day Weather Analysis Over a century of Memorial Day weather observations reveals that many assumptions about the holiday do not match reality. While people often remember either extreme heat or complete washouts, the long-term record tells a more nuanced story involving dry-weather regimes, clustered extremes, and noticeable warming signals. Top 15 Findings 1. The "average" Memorial Day is milder than most people remember Across 106 years, the average Memorial Day high was 75.5°F, with an average low of 57.5°F. Memorial Day in New York is historically more late spring than full summer. 2. Memorial Day is dry much more often than wet Rain occurred in only 32 of 106 years (30%), meaning roughly 7 out of every 10 Memorial Days were dry. 3. Weather memory is biased toward extremes People tend to remember either 90° BBQ days or holiday washouts. Most years are actually moderate and comfortable. 4. The hottest Memorial Day reached 92°F The warmest Memorial Day occurred in 1942, reaching 92°F. 5. The coldest Memorial Day reached only 55°F The coolest Memorial Day high occurred in 1974, a full 37°F colder than the warmest year. 6. Memorial Day weather has surprisingly high variability A 37°F spread between the warmest and coolest Memorial Days shows how dramatically conditions can vary despite being the same holiday. 7. Rainfall follows a "feast or famine" pattern Average rainfall was only 0.14 inches, while the wettest year received 2.49 inches, nearly 18 times the average amount. 8. A handful of years dominate rainfall totals Largest Memorial Day rainfall events: 1948: 2.49" 2016: 1.65" 2003: 1.28" 2024: 0.96" 1993: 0.90" A small number of years contribute disproportionately to total Memorial Day rainfall. 9. The 1934–1947 Memorial Day dry stretch stands out as one of the strongest signals in the entire record Between 1934–1947, Memorial Day recorded no measurable rainfall across fourteen consecutive holidays. Using the long-term climatology where roughly 70% of Memorial Days are dry, this is statistically unusual and likely reflects a broader climate regime rather than simple random variation. 10. The early 2010s stand out as a warm cluster Between approximately 2010–2015, multiple Memorial Days reached the mid to upper 80s, creating one of the warmest clusters in the record. 11. Overnight temperatures may be warming faster than daytime highs The warmest Memorial Day low was 71°F (2012) while the coolest was 44°F (1992). This can be an indicator of changing urban and climate conditions. 12. Holiday timing changed in 1971 Before 1971, Memorial Day occurred every May 30. Beginning in 1971 it shifted to the last Monday in May, introducing a slight climate timing effect. 13. Memorial Day weather appears to occur in regimes rather than random year-to-year noise The record contains visible clusters of: Warm periods Cool periods Dry periods Wet periods 14. The strongest climate signal may be persistence Instead of isolated years behaving independently, weather patterns appear to sustain themselves over multiple years. 15. The "typical" Memorial Day still wins Despite extreme years receiving the attention, the long-term average remains remarkably stable: mid-70s during the day, upper-50s at night, and dry most of the time.

Year Date Weekend Day High (°F) Low (°F) Rainfall 2001 May 25, 2001 Friday 57 53 0.04 2001 May 26, 2001 Saturday 64 53 0.06 2001 May 27, 2001 Sunday 70 57 0.08 2001 May 28, 2001 Memorial Day 72 57 0.05 2002 May 24, 2002 Friday 83 56 0 2002 May 25, 2002 Saturday 71 56 0 2002 May 26, 2002 Sunday 69 56 0 2002 May 27, 2002 Memorial Day 77 59 0 2003 May 23, 2003 Friday 56 50 0.15 2003 May 24, 2003 Saturday 56 51 0.09 2003 May 25, 2003 Sunday 62 53 0.01 2003 May 26, 2003 Memorial Day 56 51 1.28 2004 May 28, 2004 Friday 77 62 0.39 2004 May 29, 2004 Saturday 66 54 0 2004 May 30, 2004 Sunday 73 51 0 2004 May 31, 2004 Memorial Day 64 57 0.22 2005 May 27, 2005 Friday 79 56 Trace 2005 May 28, 2005 Saturday 79 57 0.15 2005 May 29, 2005 Sunday 75 54 0 2005 May 30, 2005 Memorial Day 75 57 Trace 2006 May 26, 2006 Friday 74 59 0.24 2006 May 27, 2006 Saturday 83 64 0.01 2006 May 28, 2006 Sunday 83 66 0 2006 May 29, 2006 Memorial Day 88 66 0.01 2007 May 25, 2007 Friday 90 64 0 2007 May 26, 2007 Saturday 85 71 0 2007 May 27, 2007 Sunday 86 66 0.03 2007 May 28, 2007 Memorial Day 83 67 Trace 2008 May 23, 2008 Friday 69 49 0 2008 May 24, 2008 Saturday 71 53 0 2008 May 25, 2008 Sunday 77 53 0 2008 May 26, 2008 Memorial Day 80 58 0 2009 May 22, 2009 Friday 84 62 0 2009 May 23, 2009 Saturday 73 60 0 2009 May 24, 2009 Sunday 83 60 0 2009 May 25, 2009 Memorial Day 81 63 0 2010 May 28, 2010 Friday 70 56 0 2010 May 29, 2010 Saturday 77 61 0 2010 May 30, 2010 Sunday 84 67 0 2010 May 31, 2010 Memorial Day 86 69 0 2011 May 27, 2011 Friday 83 65 0 2011 May 28, 2011 Saturday 84 67 0 2011 May 29, 2011 Sunday 82 67 0 2011 May 30, 2011 Memorial Day 86 70 0.29 2012 May 25, 2012 Friday 75 60 Trace 2012 May 26, 2012 Saturday 84 67 0.02 2012 May 27, 2012 Sunday 81 64 0.06 2012 May 28, 2012 Memorial Day 89 71 0 2013 May 24, 2013 Friday 65 45 0.3 2013 May 25, 2013 Saturday 54 45 0.14 2013 May 26, 2013 Sunday 66 48 0 2013 May 27, 2013 Memorial Day 73 51 0 2014 May 23, 2014 Friday 71 56 0.91 2014 May 24, 2014 Saturday 70 57 0.4 2014 May 25, 2014 Sunday 80 55 0 2014 May 26, 2014 Memorial Day 86 66 0 2015 May 22, 2015 Friday 74 55 0 2015 May 23, 2015 Saturday 70 49 0 2015 May 24, 2015 Sunday 81 56 0 2015 May 25, 2015 Memorial Day 85 64 0 2016 May 27, 2016 Friday 87 73 0 2016 May 28, 2016 Saturday 92 71 0 2016 May 29, 2016 Sunday 87 70 Trace 2016 May 30, 2016 Memorial Day 82 68 1.65 2017 May 26, 2017 Friday 73 56 0.1 2017 May 27, 2017 Saturday 71 59 0 2017 May 28, 2017 Sunday 71 58 0 2017 May 29, 2017 Memorial Day 61 56 0.13 2018 May 25, 2018 Friday 86 65 0 2018 May 26, 2018 Saturday 89 72 0 2018 May 27, 2018 Sunday 80 56 0.44 2018 May 28, 2018 Memorial Day 69 56 0 2019 May 24, 2019 Friday 73 61 0 2019 May 25, 2019 Saturday 71 55 0 2019 May 26, 2019 Sunday 86 59 0.2 2019 May 27, 2019 Memorial Day 80 64 0 2020 May 22, 2020 Friday 77 54 0.03 2020 May 23, 2020 Saturday 67 55 0.65 2020 May 24, 2020 Sunday 67 52 0 2020 May 25, 2020 Memorial Day 71 55 0 2021 May 28, 2021 Friday 69 49 1.22 2021 May 29, 2021 Saturday 51 47 0.46 2021 May 30, 2021 Sunday 51 47 0.89 2021 May 31, 2021 Memorial Day 70 49 0.02 2022 May 27, 2022 Friday 80 65 0.27 2022 May 28, 2022 Saturday 74 63 0.72 2022 May 29, 2022 Sunday 77 59 0 2022 May 30, 2022 Memorial Day 84 63 0 2023 May 26, 2023 Friday 72 53 0 2023 May 27, 2023 Saturday 78 56 0 2023 May 28, 2023 Sunday 79 59 0 2023 May 29, 2023 Memorial Day 79 59 0 2024 May 24, 2024 Friday 84 68 0 2024 May 25, 2024 Saturday 81 66 0 2024 May 26, 2024 Sunday 82 65 Trace 2024 May 27, 2024 Memorial Day 73 66 0.96 2025 May 23, 2025 Friday 63 47 0.26 2025 May 24, 2025 Saturday 64 48 Trace 2025 May 25, 2025 Sunday 66 52 0 2025 May 26, 2025 Memorial Day 73 52 0

Memorial Days in NYC Year Memorial Day Date High Low Rain 2025 May 26 74 53 0.00" 2024 May 27 75 67 0.82" 2023 May 29 80 58 0.00" 2022 May 30 85 64 0.00" 2021 May 31 72 50 0.00" 2020 May 25 73 56 0.00" 2019 May 27 82 65 0.00" 2018 May 28 70 57 0.00" 2017 May 29 62 56 0.09" 2016 May 30 84 69 1.41" 2015 May 25 87 65 0.00" 2014 May 26 88 67 0.00" 2013 May 27 75 52 0.00" 2012 May 28 91 72 0.00" 2011 May 30 87 71 0.23" 2010 May 31 88 69 0.00" 2009 May 25 82 63 0.00" 2008 May 26 81 59 0.00" 2007 May 28 84 68 Trace 2006 May 29 89 67 0.00" 2005 May 30 76 58 Trace 2004 May 31 66 58 0.18" 2003 May 26 58 52 1.11" 2002 May 27 78 60 0.00" 2001 May 28 73 57 0.04"

Records: Highs: EWR: 96 (1964) NYC: 94 (1964) LGA: 94 (1964) JFK: 92 (2021) Lows: EWR: 43 (1931) NYC: 43 (1963) LGA: 45 (1963) JFK: 44 (1963) Historical: 1783: Massachusetts lawyer James Otis often remarked to friends that when it was his time to die he hoped it would be by a bolt of lightning. Today he got his wish when he was leaning against a doorway in his home and lightning struck the chimney and traveled through the frame of the house, killing Mr. Otis. (Ref. Wilson Wx. History) 1814: Hailstones as large as 11 inches in diameter and weighing a half pound reportedly pounded parts of New Hampshire. (Ref. Wilson Wx. History) 1882 - An unusual late season snow blanketed eastern Iowa, with four to six inches reported around Washington. (David Ludlum) (The Weather Channel) 1925: Record maximum temperature for Washington DC. for the date is 97 °F. (Ref. Washington Weather Records - KDCA) 1953 - The temperature at Hollis OK soared from a morning low of 70 degrees to an afternoon high of 110 degrees to establish a state record for the month of May. (The Weather Channel) 1987 - It was a busy day for thunderstorms in the central U.S. Thunderstorms produced wind gusts to 65 mph at Shreveport LA and golf ball size hail at Marfa, TX. Hobart, OK, received 3.55 inches of rain in the morning, and another 4.03 inches of rain that evening. Thunderstorms in Nebraska produced 8.5 inches of rain in two hours north of Potter, and 7.5 inches of rain in ninety minutes north of Minatare. Thunderstorms in Colorado produced five inches of hail at Greeley. (The National Weather Summary) (Storm Data) 1988 - Thunderstorms produced severe weather across much of the eastern U.S. Golf ball size hail was reported in Georgia, Maryland, North Carolina, South Carolina and Ohio. (Storm Data) (The National Weather Summary) 1989 - Severe thunderstorms developing along a cold front resulted in 98 reports of large hail and damaging winds in the Northern Plains and Upper Mississippi Valley. Golf ball size hail caused a million dollars damage around Buffalo City, WI, baseball size hail was reported at Northfield and Randolph, MN, and thunderstorm winds gusted to 95 mph at Dunkerton, IA. (The National Weather Summary) (Storm Data) 1989 - Unseasonably hot weather continued in the south central U.S. Pueblo, CO, equalled their May record with a high of 98 degrees, and the high of 106 degrees at Midland, TX, marked a record six straight days of 100 degree heat. (The National Weather Summary) 1990 - A cold front crossing the western U.S. produced snow over parts of Oregon, California, Nevada, Idaho and Utah, with five inches reported at Austin NV, and four inches at Crater Lake National Park in Oregon. Strong winds behind the cold front sharply reduced visibilities in blowing dust over central California, and two multi-vehicle accidents resulted in one death and eighteen injuries. In northern Idaho, a cloud-burst washed tons of topsoil, and rocks as large as footballs, into the valley town of Culdesac. (The National Weather Summary) (Storm Data) 1991: Thunderstorms in the Denver, CO area produced large hail up to golf ball size. An estimated 5,000 homes and 8,000 cars received considerable damage. Damage was estimated at $60 million dollars. Hail accumulated to a depth of 6 inches at Aurora. (Ref. Wilson Wx. History) 1997: David McWilliams Ludlum was born 1910 in East Orange, NJ - He is responsible for researching and publishing Much of the early history of weather in early America. David died May 23, 1997 in Princeton, New Jersey. He was an American historian, meteorologist, entrepreneur and author. David M. Ludlum's death 2001: The temperature hit 116° at Palm Springs, CA. This tied their highest temperature for the month of May with 5/28/1983 & 5/28/2003. (Ref. Wilson Wx. History) 2002: A Pacific storm system brought some much needed snow to the Colorado Mountains and foothills with a mix of rain on the Plains. Snowfall totals included: 13 inches at Coal Creek Canyon, 11 inches near Evergreen, CO. The former Stapleton International Airport at Denver reported less than an inch. Three temperature records were set. The morning low temperature of 31° was a record low; as was the morning low of 32° the following morning. The high temperature of only 48° equaled the record low maximum.

56 / 42 NE flow - cool , cloudy showers. What should tally up to 4 more days of mainly clouds with the brunt of the >1.00 - 2.00 inches of rain saturday night into Sunday night. Pokes of some sun Monday and Tuesday but slow to clear out. Much nicer Wed - Thu low 80s. Next cut off backs down and in between Fri and through next weekend and id wager it trends unsettled as ridge balloons into candada. Ridge finally expands east 6/3 - beyond pushing above normal overall.

Quick count from the separated lists above: Daily record highs: 82 Daily record lows: 14 Total record events listed: 96 NYC Date Temp Year Jan 3 64°F 2000 Jan 4 66°F 2023 Jan 6 72°F 2007 Jan 9 64°F 2008 Jan 11 69°F 2020 Jan 12 68°F 2020 Jan 21 63°F 2006 Jan 29 69°F 2002 Jan 30 64°F 2006 Feb 6 68°F 2008 Feb 7 56°F 2020 Feb 8 62°F 2017 Feb 10 61°F 2023 Feb 11 65°F 2009 Feb 12 62°F 2018 Feb 17 68°F 2022 Feb 21 78°F 2018 Mar 3 68°F 2024 Mar 6 68°F 2022 Mar 7 74°F 2022 Mar 9 77°F 2016 Mar 10 80°F 2026 Mar 12 71°F 2012 Mar 18 77°F 2011 Mar 22 78°F 2012 Mar 23 76°F 2012 Mar 26 82°F 2021 Apr 6 80°F 2023 Apr 7 92°F 2010 Apr 13 90°F 2023 Apr 14 91°F 2023 Apr 15 90°F 2026 Apr 16 92°F 2002 Apr 17 96°F 2002 Apr 22 86°F 2001 Apr 23 86°F 2007 Apr 24 87°F 2001 Apr 26 92°F 2009 Apr 28 90°F 2009 May 1 87°F 2001 May 2 90°F 2018 May 3 92°F 2018 May 4 92°F 2001 May 7 93°F 2000 May 8 91°F 2000 May 18 92°F 2017 Jun 10 96°F 2008 Jun 12 93°F 2017 Jun 23 96°F 2025 Jun 24 99°F 2025 Jul 6 103°F 2010 Jul 7 100°F 2010 Jul 22 104°F 2011 Jul 23 100°F 2011 Jul 24 97°F 2010 Aug 3 97°F 2005 Aug 8 99°F 2001 Aug 9 103°F 2001 Aug 13 99°F 2005 Aug 17 95°F 2015 Aug 18 94°F 2002 Aug 19 94°F 2002 Sep 8 97°F 2015 Sep 24 91°F 2017 Oct 2 93°F 2019 Oct 8 87°F 2007 Oct 19 85°F 2016 Oct 24 79°F 2001 Nov 3 79°F 2003 Nov 6 75°F 2022 Nov 9 75°F 2020 Nov 10 74°F 2020 Nov 28 70°F 2011 Dec 1 70°F 2006 Dec 5 70°F 2001 Dec 6 71°F 2001 Dec 11 66°F 2021 Dec 13 67°F 2015 Dec 14 67°F 2015 Dec 15 68°F 2015 Dec 17 62°F 2000 Dec 20 60°F 2002 Dec 21 65°F 2013 Dec 22 71°F 2013 Dec 24 72°F 2015 Dec 25 66°F 2015 Dec 28 65°F 2008 Lows Date Temp Year Jan 7 4°F 2014 Jan 16 1°F 2004 Feb 14 -1°F 2016 Feb 20 2°F 2015 Mar 3 11°F 2003 May 8 36°F 2020 May 9 34°F 2020 May 20 43°F 2002 Jul 2 56°F 2001 Nov 8 29°F 2019 Nov 10 25°F 2017 Nov 11 24°F 2017 Nov 12 25°F 2019 Nov 13 23°F 2019