897  
CDUS41 KBOX 180807  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
407 AM EDT WED JUN 18 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JUNE 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 68 1258 PM 95 1894 77 -9 81  
MINIMUM 59 105 AM 48 1926 60 -1 59  
AVERAGE 64 69 -5 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 2.26 2001 0.14 -0.09 0.00  
MONTH TO DATE 1.27 2.33 -1.06 0.84  
SINCE JUN 1 1.27 2.33 -1.06 0.84  
SINCE JAN 1 21.06 19.98 1.08 25.85  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1952 0.0 0.0 0.0  
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 1 1 0 0  
MONTH TO DATE 43 42 1 7  
SINCE JUN 1 43 42 1 7  
SINCE JUL 1 5116 5538 -422 4874  
 
COOLING  
YESTERDAY 0 5 -5 5  
MONTH TO DATE 44 55 -11 57  
SINCE JUN 1 44 55 -11 57  
SINCE JAN 1 73 88 -15 103    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (100)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 400 PM  
LOWEST 78 1100 AM  
AVERAGE 88  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 94 1907  
1929  
MINIMUM TEMPERATURE (F) 61 47 1920  
 
SUNRISE AND SUNSET  
JUNE 18 2025..........SUNRISE 507 AM EDT SUNSET 824 PM EDT  
JUNE 19 2025..........SUNRISE 507 AM EDT SUNSET 824 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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