876  
CDUS41 KBOX 260531  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
131 AM EDT MON MAY 26 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 25 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 61 357 PM 92 2007 69 -8 72  
MINIMUM 51 545 AM 40 1967 53 -2 58  
AVERAGE 56 61 -5 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.63 1967 0.12 -0.12 0.00  
MONTH TO DATE 7.01 2.58 4.43 2.81  
SINCE MAR 1 14.24 10.38 3.86 14.71  
SINCE JAN 1 19.55 16.98 2.57 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 177 204 -27 192  
SINCE MAR 1 1296 1528 -232 1373  
SINCE JUL 1 5055 5466 -411 4858  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 16 17 -1 29  
SINCE MAR 1 22 21 1 29  
SINCE JAN 1 22 21 1 29    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77 400 AM  
LOWEST 49 1100 AM  
AVERAGE 63  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 97 1880  
MINIMUM TEMPERATURE (F) 53 39 1882  
 
SUNRISE AND SUNSET  
MAY 26 2025...........SUNRISE 513 AM EDT SUNSET 810 PM EDT  
MAY 27 2025...........SUNRISE 513 AM EDT SUNSET 811 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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