933  
CDUS41 KBOX 142125  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
425 PM EST TUE DEC 14 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 14 2021
 
 
VALID AS OF 0400 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 51 217 PM 66 1881 43 8 40  
MINIMUM 43 836 AM 0 1893 30 13 34  
1898  
AVERAGE 47 36 11 37  
 
PRECIPITATION (IN)  
TODAY 0.00 1.99 2002 0.14 -0.14 0.06  
MONTH TO DATE 0.57 2.02 -1.45 2.71  
SINCE DEC 1 0.57 2.02 -1.45 2.71  
SINCE JAN 1 50.45 41.31 9.14 34.58  
 
SNOWFALL (IN)  
TODAY 0.0 6.5 1995 0.2 -0.2 T  
MONTH TO DATE 0.3 3.1 -2.8 0.3  
SINCE DEC 1 0.3 3.1 -2.8 0.3  
SINCE JUL 1 0.3 4.0 -3.7 4.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 18 29 -11 28  
MONTH TO DATE 320 380 -60 356  
SINCE DEC 1 320 380 -60 356  
SINCE JUL 1 1108 1394 -286 1243  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1146 800 346 924    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 11.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 51 700 AM  
LOWEST 22 300 PM  
AVERAGE 37  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 66 1975  
MINIMUM TEMPERATURE (F) 29 -2 1874  
 
SUNRISE AND SUNSET  
DECEMBER 14 2021......SUNRISE 706 AM EST SUNSET 412 PM EST  
DECEMBER 15 2021......SUNRISE 706 AM EST SUNSET 412 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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