199  
CDUS41 KBOX 190530  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
130 AM EDT SAT JUL 19 2025  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JULY 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 82 315 PM 98 1982 83 -1 89  
MINIMUM 65 1152 PM 54 1881 67 -2 71  
AVERAGE 74 74 0 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.52 1912 0.10 -0.10 0.20  
MONTH TO DATE 1.91 1.86 0.05 1.13  
SINCE JUN 1 3.23 5.75 -2.52 5.17  
SINCE JAN 1 23.02 23.40 -0.38 30.18  
 
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 0.0 0.0 0.0 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 44 50 -6 7  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 9 10 -1 15  
MONTH TO DATE 209 161 48 238  
SINCE JUN 1 399 299 100 428  
SINCE JAN 1 428 332 96 474    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION NW (310)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.1  
 
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 1000 PM  
LOWEST 37 300 PM  
AVERAGE 55  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 99 2013  
MINIMUM TEMPERATURE (F) 67 54 1875  
1881  
 
SUNRISE AND SUNSET  
JULY 19 2025..........SUNRISE 524 AM EDT SUNSET 816 PM EDT  
JULY 20 2025..........SUNRISE 525 AM EDT SUNSET 815 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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