474  
CDUS41 KBOX 252120  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
520 PM EDT SAT SEP 25 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 25 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 75 1142 AM 89 1926 70 5 72  
MINIMUM 65 518 AM 38 1950 55 10 58  
AVERAGE 70 62 8 65  
 
PRECIPITATION (IN)  
TODAY 0.00 2.90 1961 0.13 -0.13 0.00  
MONTH TO DATE 6.17 2.92 3.25 0.46  
SINCE SEP 1 6.17 2.92 3.25 0.46  
SINCE JAN 1 42.13 30.96 11.17 22.18  
 
SNOWFALL (IN)  
TODAY 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 SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 T  
 
DEGREE DAYS  
HEATING  
TODAY 0 4 -4 0  
MONTH TO DATE 0 46 -46 70  
SINCE SEP 1 0 46 -46 70  
SINCE JUL 1 9 55 -46 72  
 
COOLING  
TODAY 5 2 3 0  
MONTH TO DATE 150 86 64 73  
SINCE SEP 1 150 86 64 73  
SINCE JAN 1 1126 786 340 900    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 400 PM  
LOWEST 44 1100 AM  
AVERAGE 60  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 69 95 1881  
MINIMUM TEMPERATURE (F) 55 34 1879  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2021.....SUNRISE 635 AM EDT SUNSET 636 PM EDT  
SEPTEMBER 26 2021.....SUNRISE 636 AM EDT SUNSET 634 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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