310  
CDUS41 KBOX 250544  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
144 AM EDT SUN MAY 25 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 24 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 62 415 PM 93 1964 69 -7 85  
MINIMUM 49 449 AM 36 1882 53 -4 60  
AVERAGE 56 61 -5 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.11 1.73 1951 0.11 0.00 0.00  
MONTH TO DATE 7.01 2.46 4.55 2.81  
SINCE MAR 1 14.24 10.26 3.98 14.71  
SINCE JAN 1 19.55 16.86 2.69 23.00  
 
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 9 6 3 0  
MONTH TO DATE 168 198 -30 192  
SINCE MAR 1 1287 1522 -235 1373  
SINCE JUL 1 5046 5460 -414 4858  
 
COOLING  
YESTERDAY 0 1 -1 8  
MONTH TO DATE 16 16 0 29  
SINCE MAR 1 22 20 2 29  
SINCE JAN 1 22 20 2 29    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 48 400 PM  
AVERAGE 70  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 92 2007  
MINIMUM TEMPERATURE (F) 53 40 1967  
 
SUNRISE AND SUNSET  
MAY 25 2025...........SUNRISE 514 AM EDT SUNSET 809 PM EDT  
MAY 26 2025...........SUNRISE 513 AM EDT SUNSET 810 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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