609  
CDUS41 KBOX 220836  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
436 AM EDT SUN JUN 22 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JUNE 21 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 80 1205 PM 96 2012 78 2 82  
MINIMUM 66 440 AM 48 1940 62 4 63  
AVERAGE 73 70 3 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.36 1903 0.12 -0.12 0.48  
MONTH TO DATE 1.27 2.85 -1.58 1.61  
SINCE JUN 1 1.27 2.85 -1.58 1.61  
SINCE JAN 1 21.06 20.50 0.56 26.62  
 
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 JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 28.1 49.2 -21.1 9.8  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 43 46 -3 7  
SINCE JUN 1 43 46 -3 7  
SINCE JUL 1 5116 5542 -426 4874  
 
COOLING  
YESTERDAY 8 6 2 8  
MONTH TO DATE 74 76 -2 117  
SINCE JUN 1 74 76 -2 117  
SINCE JAN 1 103 109 -6 163    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 10.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 800 PM  
LOWEST 43 1000 AM  
AVERAGE 58  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 97 1983  
MINIMUM TEMPERATURE (F) 62 46 1940  
 
SUNRISE AND SUNSET  
JUNE 22 2025..........SUNRISE 508 AM EDT SUNSET 825 PM EDT  
JUNE 23 2025..........SUNRISE 508 AM EDT SUNSET 825 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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