586  
CDUS41 KBOX 230624  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
124 AM EST THU DEC 23 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 22 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 43 335 PM 62 1990 41 2 44  
MINIMUM 33 1159 PM 1 1879 28 5 32  
1883  
AVERAGE 38 34 4 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.31 1969 0.13 -0.04 0.00  
MONTH TO DATE 1.79 3.14 -1.35 3.08  
SINCE DEC 1 1.79 3.14 -1.35 3.08  
SINCE JAN 1 51.67 42.43 9.24 34.95  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.3 1975 0.3 -0.3 0.0  
MONTH TO DATE 0.4 5.6 -5.2 13.0  
SINCE DEC 1 0.4 5.6 -5.2 13.0  
SINCE JUL 1 0.4 6.5 -6.1 17.3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 31 -4 27  
MONTH TO DATE 527 620 -93 645  
SINCE DEC 1 527 620 -93 645  
SINCE JUL 1 1315 1634 -319 1532  
 
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 8 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 1000 AM  
LOWEST 50 800 PM  
AVERAGE 74  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 67 1990  
MINIMUM TEMPERATURE (F) 27 -12 1883  
 
SUNRISE AND SUNSET  
DECEMBER 23 2021......SUNRISE 711 AM EST SUNSET 416 PM EST  
DECEMBER 24 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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