981  
CDUS41 KBOX 140620  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
220 AM EDT WED MAY 14 2025  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 13 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 63 856 AM 87 1947 66 -3 63  
MINIMUM 52 1159 PM 37 2020 50 2 49  
AVERAGE 58 58 0 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.84 2006 0.10 -0.10 0.00  
MONTH TO DATE 3.00 1.34 1.66 1.33  
SINCE MAR 1 10.23 9.14 1.09 13.23  
SINCE JAN 1 15.54 15.74 -0.20 21.52  
 
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 T 10.6 -10.6 0.1  
SINCE JUL 1 28.1 49.2 -21.1 9.8  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 8 -1 9  
MONTH TO DATE 79 124 -45 147  
SINCE MAR 1 1198 1448 -250 1328  
SINCE JUL 1 4957 5386 -429 4813  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 6 5 1 0  
SINCE MAR 1 12 9 3 0  
SINCE JAN 1 12 9 3 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION E (80)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 700 PM  
LOWEST 46 900 AM  
AVERAGE 62  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 86 1879  
2022  
MINIMUM TEMPERATURE (F) 50 37 1895  
 
SUNRISE AND SUNSET  
MAY 14 2025...........SUNRISE 523 AM EDT SUNSET 758 PM EDT  
MAY 15 2025...........SUNRISE 522 AM EDT SUNSET 759 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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