756  
CDUS41 KBOX 011003  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
603 AM EDT MON MAY 01 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 30 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 54 1159 PM 86 1942 62 -8 54  
MINIMUM 49 725 AM 31 1874 46 3 41  
AVERAGE 52 54 -2 48  
 
PRECIPITATION (IN)  
YESTERDAY 1.81R 1.81 2023 0.12 1.69 0.00  
MONTH TO DATE 3.10 3.63 -0.53 2.32  
SINCE MAR 1 7.39 7.80 -0.41 5.25  
SINCE JAN 1 13.98 14.40 -0.42 12.19  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2007 0.0 0.0 0.0  
2008  
2009  
MONTH TO DATE 0.0 1.6 -1.6 T  
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 13 12 1 17  
MONTH TO DATE 424 496 -72 438  
SINCE MAR 1 1168 1324 -156 1164  
SINCE JUL 1 4484 5262 -778 4786  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 5 4 1 0  
SINCE MAR 1 5 4 1 0  
SINCE JAN 1 5 4 1 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 16 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 32 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 18.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 PM  
LOWEST 92 200 PM  
AVERAGE 96  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 89 1899  
MINIMUM TEMPERATURE (F) 46 33 1880  
 
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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