888  
CDUS41 KBOX 050543  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
143 AM EDT FRI MAY 05 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 4 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 50 1042 PM 90 2001 63 -13 54  
MINIMUM 44 425 AM 33 1911 47 -3 47  
AVERAGE 47 55 -8 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.71 1893 0.11 -0.10 0.12  
MONTH TO DATE 0.25 0.43 -0.18 0.37  
SINCE MAR 1 7.64 8.23 -0.59 5.62  
SINCE JAN 1 14.23 14.83 -0.60 12.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1920 0.0 0.0 0.0  
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 18 10 8 14  
MONTH TO DATE 52 43 9 55  
SINCE MAR 1 1220 1367 -147 1219  
SINCE JUL 1 4536 5305 -769 4841  
 
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 11 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 200 AM  
LOWEST 61 700 PM  
AVERAGE 76  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 89 1949  
MINIMUM TEMPERATURE (F) 47 35 1874  
1891  
1907  
 
SUNRISE AND SUNSET  
MAY 5 2023...........SUNRISE 534 AM EDT SUNSET 748 PM EDT  
MAY 6 2023...........SUNRISE 533 AM EDT SUNSET 749 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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