101  
CDUS41 KBOX 012120  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
520 PM EDT MON MAY 01 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 1 2023
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 64 306 PM 89 1899 62 2 61  
MINIMUM 53 250 AM 33 1880 46 7 45  
AVERAGE 59 54 5 53  
 
PRECIPITATION (IN)  
TODAY 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)  
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 MAR 1 0.9 10.6 -9.7 2.1  
SINCE JUL 1 12.4 49.2 -36.8 54.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 6 11 -5 12  
MONTH TO DATE 6 11 -5 12  
SINCE MAR 1 1174 1335 -161 1176  
SINCE JUL 1 4490 5273 -783 4798  
 
COOLING  
TODAY 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)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 17.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 AM  
LOWEST 44 200 PM  
AVERAGE 71  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 91 1930  
2001  
MINIMUM TEMPERATURE (F) 46 33 1874  
 
SUNRISE AND SUNSET  
MAY 1 2023...........SUNRISE 540 AM EDT SUNSET 744 PM EDT  
MAY 2 2023...........SUNRISE 538 AM EDT SUNSET 745 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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