524  
CDUS41 KBOX 300604  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
204 AM EDT WED APR 30 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 29 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 79 MM 85 1974 62 17 71  
MINIMUM 52 MM 31 1909 46 6 50  
AVERAGE 66 54 12 61  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.52 1923 0.11 -0.11 0.00  
MONTH TO DATE 3.13 3.51 -0.38 2.87  
SINCE MAR 1 7.23 7.68 -0.45 11.81  
SINCE JAN 1 12.54 14.28 -1.74 20.10  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.9 1987 0.0 0.0 0.0  
MONTH TO DATE T 1.6 -1.6 0.1  
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 0 12 -12 4  
MONTH TO DATE 420 484 -64 463  
SINCE MAR 1 1117 1312 -195 1167  
SINCE JUL 1 4876 5250 -374 4652  
 
COOLING  
YESTERDAY 1 0 1 0  
MONTH TO DATE 6 0 6 0  
SINCE MAR 1 6 0 6 0  
SINCE JAN 1 6 0 6 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 17 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 17.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 52 1200 AM  
LOWEST 24 900 AM  
AVERAGE 38  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 86 1942  
MINIMUM TEMPERATURE (F) 46 31 1874  
 
SUNRISE AND SUNSET  
APRIL 30 2025.........SUNRISE 540 AM EDT SUNSET 743 PM EDT  
MAY 1 2025...........SUNRISE 539 AM EDT SUNSET 744 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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