646  
CDUS41 KBOX 190845  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
445 AM EDT THU JUN 19 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JUNE 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 78 523 PM 94 1907 77 1 92  
1929  
MINIMUM 65 606 AM 47 1920 61 4 67  
AVERAGE 72 69 3 80  
 
PRECIPITATION (IN)  
YESTERDAY T 0.83 1922 0.14 -0.14 0.00  
MONTH TO DATE 1.27 2.47 -1.20 0.84  
SINCE JUN 1 1.27 2.47 -1.20 0.84  
SINCE JAN 1 21.06 20.12 0.94 25.85  
 
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 43 0 7  
SINCE JUN 1 43 43 0 7  
SINCE JUL 1 5116 5539 -423 4874  
 
COOLING  
YESTERDAY 7 5 2 15  
MONTH TO DATE 51 60 -9 72  
SINCE JUN 1 51 60 -9 72  
SINCE JAN 1 80 93 -13 118    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 7.0  
 
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 100 500 AM  
LOWEST 76 200 PM  
AVERAGE 88  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 98 2024  
MINIMUM TEMPERATURE (F) 61 47 1920  
 
SUNRISE AND SUNSET  
JUNE 19 2025..........SUNRISE 507 AM EDT SUNSET 824 PM EDT  
JUNE 20 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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