887  
CDUS41 KBOX 190630  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
230 AM EDT SAT APR 19 2025  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 18 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 67 305 PM 94 1976 58 9 47  
MINIMUM 41 401 AM 26 1875 42 -1 44  
1887  
AVERAGE 54 50 4 46  
 
PRECIPITATION (IN)  
YESTERDAY T 1.90 1879 0.11 -0.11 0.15  
MONTH TO DATE 2.22 2.29 -0.07 2.58  
SINCE MAR 1 6.32 6.46 -0.14 11.52  
SINCE JAN 1 11.63 13.06 -1.43 19.81  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.6 1965 0.1 -0.1 0.0  
MONTH TO DATE T 1.5 -1.5 0.1  
SINCE MAR 1 T 10.5 -10.5 0.1  
SINCE JUL 1 28.1 49.1 -21.0 9.8  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 16 -5 19  
MONTH TO DATE 346 337 9 305  
SINCE MAR 1 1043 1165 -122 1009  
SINCE JUL 1 4802 5103 -301 4494  
 
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 10 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 12.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 1100 PM  
LOWEST 20 1200 PM  
AVERAGE 41  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 87 1914  
MINIMUM TEMPERATURE (F) 42 22 1875  
 
SUNRISE AND SUNSET  
APRIL 19 2025.........SUNRISE 556 AM EDT SUNSET 731 PM EDT  
APRIL 20 2025.........SUNRISE 555 AM EDT SUNSET 732 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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