805  
CDUS41 KBOX 220624  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
124 AM EST WED DEC 22 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 21 2021
 
 
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)  
YESTERDAY  
MAXIMUM 44 129 PM 65 2018 41 3 37  
MINIMUM 30 158 AM -5 1942 28 2 27  
AVERAGE 37 34 3 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.91 1946 0.15 -0.15 0.00  
MONTH TO DATE 1.70 3.01 -1.31 3.08  
SINCE DEC 1 1.70 3.01 -1.31 3.08  
SINCE JAN 1 51.58 42.30 9.28 34.95  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.1 1975 0.4 -0.4 0.0  
MONTH TO DATE 0.4 5.3 -4.9 13.0  
SINCE DEC 1 0.4 5.3 -4.9 13.0  
SINCE JUL 1 0.4 6.2 -5.8 17.3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 31 -3 33  
MONTH TO DATE 500 589 -89 618  
SINCE DEC 1 500 589 -89 618  
SINCE JUL 1 1288 1603 -315 1505  
 
COOLING  
YESTERDAY 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)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 1000 PM  
LOWEST 43 100 PM  
AVERAGE 58  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 41 62 1990  
MINIMUM TEMPERATURE (F) 28 1 1879  
1883  
 
SUNRISE AND SUNSET  
DECEMBER 22 2021......SUNRISE 711 AM EST SUNSET 415 PM EST  
DECEMBER 23 2021......SUNRISE 711 AM EST SUNSET 416 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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