613  
CXUS51 KBOX 011856  
CLMBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
256 PM EDT TUE JUL 01 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR THE MONTH OF JUNE 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2025  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE  
NORMAL    
..........................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 102 06/24/2025  
LOW 41 06/01/1945  
HIGHEST 102R 06/24 98  
LOWEST 51 06/02 53  
AVG. MAXIMUM 77.0 76.2 0.8  
AVG. MINIMUM 62.2 59.7 2.5  
MEAN 69.6 68.0 1.6  
DAYS MAX >= 90 5 2.5 2.5  
DAYS MAX <= 32 0 0.0 0.0  
DAYS MIN <= 32 0 0.0 0.0  
DAYS MIN <= 0 0 0.0 0.0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 13.20 1982  
MINIMUM T 1999  
TOTALS 1.32 3.89 -2.57  
DAILY AVG. 0.04 0.13 -0.09  
DAYS >= .01 7 10.9 -3.9  
DAYS >= .10 2 6.7 -4.7  
DAYS >= .50 1 2.5 -1.5  
DAYS >= 1.00 1 0.9 0.1  
GREATEST  
24 HR. TOTAL 1.04 06/07 TO 06/07  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 0.0 MM  
TOTALS 0.0 0.0 0.0  
LIQUID EQUIV 0.00  
SINCE 7/1 28.1 49.2 -21.1  
DAYS >= TRACE 0 0.0 0.0  
DAYS >= 1.0 0 0.0 0.0  
GREATEST  
24 HR TOTAL 0.0  
 
DEGREE DAYS  
HEATING TOTAL 44 50 -6  
SINCE 7/1 5117 5544 -427  
COOLING TOTAL 190 138 52  
SINCE 1/1 219 171 48    
..........................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 9.6  
RESULTANT WIND SPEED/DIRECTION 1/200  
HIGHEST WIND SPEED/DIRECTION 33/290 DATE 06/20  
HIGHEST GUST SPEED/DIRECTION 49/260 DATE 06/20  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.65  
NUMBER OF DAYS FAIR 6  
NUMBER OF DAYS PC 12  
NUMBER OF DAYS CLOUDY 12  
 
AVERAGE RH (PERCENT) 70  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 1 RAIN 1  
LIGHT RAIN 10 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 10 FOG W/VIS <= 1/4 MILE 0  
HAZE 4  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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