691  
CDUS41 KBOX 122124  
CLIBDL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
524 PM EDT MON MAY 12 2025  
   
...............................  
 
   
..THE HARTFORD CT CLIMATE SUMMARY FOR MAY 12 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1904 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 77 338 PM 90 2004 71 6 64  
2014  
MINIMUM 39 449 AM 32 1907 47 -8 48  
1983  
AVERAGE 58 59 -1 56  
 
PRECIPITATION (IN)  
TODAY 0.00 2.94 2006 0.12 -0.12 0.00  
MONTH TO DATE 5.23 1.44 3.79 1.00  
SINCE MAR 1 13.29 9.13 4.16 13.19  
SINCE JAN 1 17.92 15.54 2.38 23.43  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2000 0.0 0.0 0.0  
2001  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE MAR 1 1.7 10.5 -8.8 0.6  
SINCE JUL 1 23.4 51.7 -28.3 24.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 7 7 0 9  
MONTH TO DATE 51 100 -49 59  
SINCE MAR 1 1153 1418 -265 1077  
SINCE JUL 1 4961 5755 -794 4835  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 12 10 2 5  
SINCE MAR 1 22 17 5 9  
SINCE JAN 1 22 17 5 9    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 400 AM  
LOWEST 23 1200 PM  
AVERAGE 53  
   
......................................................  
 
THE HARTFORD CT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 87 1947  
MINIMUM TEMPERATURE (F) 48 32 1962  
2005  
2010  
 
SUNRISE AND SUNSET  
MAY 12 2025...........SUNRISE 533 AM EDT SUNSET 802 PM EDT  
MAY 13 2025...........SUNRISE 532 AM EDT SUNSET 803 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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