899  
CDUS41 KBOX 210531  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
131 AM EDT FRI MAR 21 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MARCH 20 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 51 644 PM 79 1945 46 5 54  
MINIMUM 38 341 AM 10 1885 32 6 33  
AVERAGE 45 39 6 44  
 
PRECIPITATION (IN)  
YESTERDAY T 1.58 1881 0.15 -0.15 0.08  
MONTH TO DATE 2.62 2.63 -0.01 4.32  
SINCE MAR 1 2.62 2.63 -0.01 4.32  
SINCE JAN 1 7.93 9.23 -1.30 12.61  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.2 1944 0.3 -0.3 T  
MONTH TO DATE 0.0 6.9 -6.9 T  
SINCE MAR 1 0.0 6.9 -6.9 T  
SINCE JUL 1 28.1 45.5 -17.4 9.7  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 26 -6 21  
MONTH TO DATE 463 564 -101 440  
SINCE MAR 1 463 564 -101 440  
SINCE JUL 1 4222 4502 -280 3925  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 83 500 PM  
AVERAGE 92  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 83 1921  
MINIMUM TEMPERATURE (F) 32 7 1885  
 
SUNRISE AND SUNSET  
MARCH 21 2025.........SUNRISE 645 AM EDT SUNSET 658 PM EDT  
MARCH 22 2025.........SUNRISE 643 AM EDT SUNSET 659 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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