027  
CDUS41 KBOX 180551  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
151 AM EDT FRI APR 18 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 17 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 60 422 PM 93 2002 57 3 50  
MINIMUM 41 530 AM 26 1908 41 0 42  
1930  
AVERAGE 51 49 2 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.47 1954 0.11 -0.11 0.00  
MONTH TO DATE 2.22 2.18 0.04 2.43  
SINCE MAR 1 6.32 6.35 -0.03 11.37  
SINCE JAN 1 11.63 12.95 -1.32 19.66  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.6 1935 0.0 0.0 0.0  
MONTH TO DATE T 1.4 -1.4 0.1  
SINCE MAR 1 T 10.4 -10.4 0.1  
SINCE JUL 1 28.1 49.0 -20.9 9.8  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 16 -2 19  
MONTH TO DATE 335 321 14 286  
SINCE MAR 1 1032 1149 -117 990  
SINCE JUL 1 4791 5087 -296 4475  
 
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 14 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 14.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 300 AM  
LOWEST 19 600 PM  
AVERAGE 41  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 94 1976  
MINIMUM TEMPERATURE (F) 42 26 1875  
1887  
 
SUNRISE AND SUNSET  
APRIL 18 2025.........SUNRISE 558 AM EDT SUNSET 729 PM EDT  
APRIL 19 2025.........SUNRISE 556 AM EDT SUNSET 731 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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