695  
CDUS41 KBOX 200542  
CLIBDL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
142 AM EDT TUE MAY 20 2025  
   
...............................  
 
   
..THE HARTFORD CT CLIMATE SUMMARY FOR MAY 19 2025  
 
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)  
YESTERDAY  
MAXIMUM 65 225 PM 94 1962 73 -8 72  
MINIMUM 48 1153 PM 34 2009 49 -1 54  
AVERAGE 57 61 -4 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.23 1999 0.12 -0.12 0.00  
MONTH TO DATE 5.50 2.25 3.25 2.03  
SINCE MAR 1 13.56 9.94 3.62 14.22  
SINCE JAN 1 18.19 16.35 1.84 24.46  
 
SNOWFALL (IN)  
YESTERDAY 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 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  
YESTERDAY 8 5 3 2  
MONTH TO DATE 64 142 -78 71  
SINCE MAR 1 1166 1460 -294 1089  
SINCE JUL 1 4974 5797 -823 4847  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 32 17 15 11  
SINCE MAR 1 42 24 18 15  
SINCE JAN 1 42 24 18 15    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 14.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 1200 AM  
LOWEST 43 100 PM  
AVERAGE 57  
   
......................................................  
 
THE HARTFORD CT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 99 1996  
MINIMUM TEMPERATURE (F) 50 30 2002  
 
SUNRISE AND SUNSET  
MAY 20 2025...........SUNRISE 526 AM EDT SUNSET 810 PM EDT  
MAY 21 2025...........SUNRISE 525 AM EDT SUNSET 810 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab MA Page
The Nexlab RI Page
The Nexlab NH Page
The Nexlab CT Page
Main Text Page