232  
CDUS41 KBOX 020529  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
129 AM EDT TUE MAY 02 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 1 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 306 PM 89 1899 62 2 61  
MINIMUM 49 1159 PM 33 1880 46 3 45  
AVERAGE 57 54 3 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.82 1921 0.11 -0.06 0.00  
MONTH TO DATE 0.05 0.11 -0.06 0.00  
SINCE MAR 1 7.44 7.91 -0.47 5.25  
SINCE JAN 1 14.03 14.51 -0.48 12.19  
 
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 0.9 10.6 -9.7 2.1  
SINCE JUL 1 12.4 49.2 -36.8 54.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 11 -3 12  
MONTH TO DATE 8 11 -3 12  
SINCE MAR 1 1176 1335 -159 1176  
SINCE JUL 1 4492 5273 -781 4798  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 5 4 1 0  
SINCE JAN 1 5 4 1 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 15.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 44 200 PM  
AVERAGE 71  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 91 1930  
2001  
MINIMUM TEMPERATURE (F) 46 33 1874  
 
SUNRISE AND SUNSET  
MAY 2 2023...........SUNRISE 538 AM EDT SUNSET 745 PM EDT  
MAY 3 2023...........SUNRISE 537 AM EDT SUNSET 746 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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