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June 2025 Obs/Disco


Torch Tiger
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On 6/22/2025 at 4:04 PM, kdxken said:

Looks like we're not the only one who b****** about inaccurate sites. 

 

Looking at the 1-min data now...RDU looks fine

https://mesonet.agron.iastate.edu/cgi-bin/request/asos1min.py?station=RDU&tz=UTC&year1=2025&month1=6&day1=22&hour1=0&minute1=0&year2=2025&month2=6&day2=22&hour2=23&minute2=59&vars=tmpf&sample=1min&what=view&delim=comma&gis=no

No crazy spikes.

RDU,Raleigh / Durham,2025-06-22 17:57,91
RDU,Raleigh / Durham,2025-06-22 17:58,92
RDU,Raleigh / Durham,2025-06-22 17:59,92
RDU,Raleigh / Durham,2025-06-22 18:00,91
RDU,Raleigh / Durham,2025-06-22 18:01,92
RDU,Raleigh / Durham,2025-06-22 18:02,93
RDU,Raleigh / Durham,2025-06-22 18:03,94
RDU,Raleigh / Durham,2025-06-22 18:04,94
RDU,Raleigh / Durham,2025-06-22 18:05,94
RDU,Raleigh / Durham,2025-06-22 18:06,95
RDU,Raleigh / Durham,2025-06-22 18:07,96
RDU,Raleigh / Durham,2025-06-22 18:08,95
RDU,Raleigh / Durham,2025-06-22 18:09,96
RDU,Raleigh / Durham,2025-06-22 18:10,97
RDU,Raleigh / Durham,2025-06-22 18:11,96
RDU,Raleigh / Durham,2025-06-22 18:12,95
RDU,Raleigh / Durham,2025-06-22 18:13,94
RDU,Raleigh / Durham,2025-06-22 18:14,94
RDU,Raleigh / Durham,2025-06-22 18:15,93
RDU,Raleigh / Durham,2025-06-22 18:16,93
RDU,Raleigh / Durham,2025-06-22 18:17,93
RDU,Raleigh / Durham,2025-06-22 18:18,93
RDU,Raleigh / Durham,2025-06-22 18:19,92
RDU,Raleigh / Durham,2025-06-22 18:20,92

With the 5min averages it works out to...
1805z 93.4F
1810z 95.8F
1815z 94.4F

So the coding for the 5 min obs we see would take that as 93 (34C/93.2F)...96 (36C/96.8F)...94 (34C/93.2F). So Allan sees 93 97 93 on his site.

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31 minutes ago, dendrite said:

At least the afternoon CLI report has a high of only 93F.

Ha ha ha somehow they have a min of 51F in there.

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
519 PM EDT WED JUN 25 2025

...................................

...THE BOSTON MA CLIMATE SUMMARY FOR JUNE 25 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         93    152 PM  97    1943  79     14       89       
  MINIMUM         51   1243 PM  48    1903  63    -12       65       
  AVERAGE         72                        71      1       77     

PRECIPITATION (IN)                                                    
  TODAY            0.00          2.23 1884   0.12  -0.12      T       
  MONTH TO DATE    1.29                      3.33  -2.04     1.97     
  SINCE JUN 1      1.29                      3.33  -2.04     1.97     
  SINCE JAN 1     21.08                     20.98   0.10    26.98     

SNOWFALL (IN)                                                              
  TODAY            0.0           0.0  2000   0.0    0.0      0.0      
                                      2001                           
                                      2002                           
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE JUN 1      0.0                       0.0    0.0      0.0      
  SINCE JUL 1     28.1                      49.2  -21.1      9.8      

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            0                         0      0        0        
  MONTH TO DATE   43                        48     -5        7        
  SINCE JUN 1     43                        48     -5        7        
  SINCE JUL 1   5116                      5544   -428     4874        

 COOLING                                                              
  TODAY            7                         6      1       12        
  MONTH TO DATE  155                       100     55      148        
  SINCE JUN 1    155                       100     55      148        
  SINCE JAN 1    184                       133     51      194        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (310)       
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (300)       
  AVERAGE WIND SPEED     9.5                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.3                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    69          1200 PM                                      
 LOWEST     42           100 PM                                      
 AVERAGE    56                                                        

..........................................................


THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   80       100      1952                      
 MINIMUM TEMPERATURE (F)   63        52      1940                      
                                             1985                     
                                             1986                     


SUNRISE AND SUNSET                                                    
JUNE 25 2025..........SUNRISE   509 AM EDT   SUNSET   825 PM EDT     
JUNE 26 2025..........SUNRISE   509 AM EDT   SUNSET   825 PM EDT     

 

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43 minutes ago, dendrite said:

WTF are they doing at BOS with the hourly METARs (:54 past) versus the 5 min obs?


https://mesowest.utah.edu/cgi-bin/droman/meso_base_dyn.cgi?stn=KBOS&time=GMT

Manual correction. The sensor was reading 26.1C but a corrective METAR was issued with a temperature of 30C.

KBOS 252254Z COR 07007KT 10SM FEW060 FEW110 SCT250 30/18 A2997 RMK AO2 SLP147 T02610178

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Just now, TheClimateChanger said:

Manual correction. The sensor was reading 26.1C but a corrective METAR was issued with a temperature of 30C.

KBOS 252254Z COR 07007KT 10SM FEW060 FEW110 SCT250 30/18 A2997 RMK AO2 SLP147 T02610178

My point is the 5 minute obs look correct and the corrected METARs look wrong...just going by temps surrounding the station.

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3 hours ago, HIPPYVALLEY said:

It used to drive me crazy when the older generations in my family would say “after the Fourth of July July summer is practically over”

Hardly. But I do see it as the demarcation of the end of rapid spring growth. Things begin to slow.

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6 minutes ago, TheClimateChanger said:

What a joke… the climate report has 93/51 for Boston. Absurd.

I'll give them a chance to fix everything, but ASOS is becoming a joke for climate data. Just throw a friggin Davis out there for cheap and with the money you save hire a worker to sit by it all day in case something fails.

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23 minutes ago, dendrite said:

Ha ha ha somehow they have a min of 51F in there.

CLIMATE REPORT 
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
519 PM EDT WED JUN 25 2025

...................................

...THE BOSTON MA CLIMATE SUMMARY FOR JUNE 25 2025...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1872 TO 2025


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         93    152 PM  97    1943  79     14       89       
  MINIMUM         51   1243 PM  48    1903  63    -12       65       
  AVERAGE         72                        71      1       77     

PRECIPITATION (IN)                                                    
  TODAY            0.00          2.23 1884   0.12  -0.12      T       
  MONTH TO DATE    1.29                      3.33  -2.04     1.97     
  SINCE JUN 1      1.29                      3.33  -2.04     1.97     
  SINCE JAN 1     21.08                     20.98   0.10    26.98     

SNOWFALL (IN)                                                              
  TODAY            0.0           0.0  2000   0.0    0.0      0.0      
                                      2001                           
                                      2002                           
  MONTH TO DATE    0.0                       0.0    0.0      0.0      
  SINCE JUN 1      0.0                       0.0    0.0      0.0      
  SINCE JUL 1     28.1                      49.2  -21.1      9.8      

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            0                         0      0        0        
  MONTH TO DATE   43                        48     -5        7        
  SINCE JUN 1     43                        48     -5        7        
  SINCE JUL 1   5116                      5544   -428     4874        

 COOLING                                                              
  TODAY            7                         6      1       12        
  MONTH TO DATE  155                       100     55      148        
  SINCE JUN 1    155                       100     55      148        
  SINCE JAN 1    184                       133     51      194        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    NW (310)       
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (300)       
  AVERAGE WIND SPEED     9.5                                        


SKY COVER                                                             
  POSSIBLE SUNSHINE  MM                                                 
  AVERAGE SKY COVER 0.3                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  NO SIGNIFICANT WEATHER WAS OBSERVED.                                  


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    69          1200 PM                                      
 LOWEST     42           100 PM                                      
 AVERAGE    56                                                        

..........................................................


THE BOSTON MA CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   80       100      1952                      
 MINIMUM TEMPERATURE (F)   63        52      1940                      
                                             1985                     
                                             1986                     


SUNRISE AND SUNSET                                                    
JUNE 25 2025..........SUNRISE   509 AM EDT   SUNSET   825 PM EDT     
JUNE 26 2025..........SUNRISE   509 AM EDT   SUNSET   825 PM EDT     

 

That 51F temp was the reading that caused the 5-min average to plummet after the 95F reading lol.

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2 minutes ago, Damage In Tolland said:

Why do people do this? Ending summer on June 25th? This is looking like one of the warmest we have seen in many many years . There’s literally 3 hot months left.  Knowledgeable posters too 

I'd have to look at the numbers, but it does feel like when we push 100F in late June it tends to return at some point in the summer. Maybe not 100s, but at least U90s.

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