506  
CDUS41 KBOX 242127  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
527 PM EDT FRI SEP 24 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 24 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 80 119 PM 90 1959 70 10 79  
MINIMUM 69 1253 AM 39 1885 55 14 61  
1963  
1974  
AVERAGE 75 63 12 70  
 
PRECIPITATION (IN)  
TODAY T 1.25 1955 0.13 -0.13 0.00  
MONTH TO DATE 6.17 2.79 3.38 0.46  
SINCE SEP 1 6.17 2.79 3.38 0.46  
SINCE JAN 1 42.13 30.83 11.30 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 42 -42 70  
SINCE SEP 1 0 42 -42 70  
SINCE JUL 1 9 51 -42 72  
 
COOLING  
TODAY 10 2 8 5  
MONTH TO DATE 145 84 61 73  
SINCE SEP 1 145 84 61 73  
SINCE JAN 1 1121 784 337 900    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 12.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 400 AM  
LOWEST 69 300 PM  
AVERAGE 80  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 89 1926  
MINIMUM TEMPERATURE (F) 55 38 1950  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2021.....SUNRISE 634 AM EDT SUNSET 637 PM EDT  
SEPTEMBER 25 2021.....SUNRISE 635 AM EDT SUNSET 636 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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