292  
CDUS41 KBOX 210525  
CLIBDL  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
125 AM EDT THU MAY 21 2026  
   
...............................
 
 
   
..THE HARTFORD CT CLIMATE SUMMARY FOR MAY 20 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1904 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 221 PM 99 1996 73 17 62  
MINIMUM 65 1159 PM 30 2002 50 15 43  
AVERAGE 78 61 17 53  
 
PRECIPITATION (IN)  
YESTERDAY T 2.12 2023 0.12 -0.12 0.00  
MONTH TO DATE 1.36 2.37 -1.01 5.50  
SINCE MAR 1 8.92 10.06 -1.14 13.56  
SINCE JAN 1 13.94 16.47 -2.53 18.19  
 
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 0.4 10.5 -10.1 1.7  
SINCE JUL 1 52.7 51.7 1.0 23.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 5 -5 12  
MONTH TO DATE 156 147 9 76  
SINCE MAR 1 1312 1465 -153 1178  
SINCE JUL 1 5953 5802 151 4986  
 
COOLING  
YESTERDAY 13 1 12 0  
MONTH TO DATE 47 18 29 32  
SINCE MAR 1 71 25 46 42  
SINCE JAN 1 71 25 46 42    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1200 AM  
LOWEST 37 1100 PM  
AVERAGE 64  
   
......................................................
 
 
THE HARTFORD CT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 93 1996  
MINIMUM TEMPERATURE (F) 50 34 2002  
 
SUNRISE AND SUNSET  
MAY 21 2026...........SUNRISE 525 AM EDT SUNSET 810 PM EDT  
MAY 22 2026...........SUNRISE 524 AM EDT SUNSET 811 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