427  
CDUS41 KBOX 240616  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
116 AM EST FRI DEC 24 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR DECEMBER 23 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 33 213 AM 67 1990 40 -7 38  
MINIMUM 24 1159 PM -12 1883 27 -3 30  
AVERAGE 29 34 -5 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.22 1947 0.14 -0.14 0.00  
MONTH TO DATE 1.79 3.28 -1.49 3.08  
SINCE DEC 1 1.79 3.28 -1.49 3.08  
SINCE JAN 1 51.67 42.57 9.10 34.95  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.3 1947 0.3 -0.3 0.0  
MONTH TO DATE 0.4 5.9 -5.5 13.0  
SINCE DEC 1 0.4 5.9 -5.5 13.0  
SINCE JUL 1 0.4 6.8 -6.4 17.3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 36 31 5 31  
MONTH TO DATE 563 651 -88 676  
SINCE DEC 1 563 651 -88 676  
SINCE JUL 1 1351 1665 -314 1563  
 
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 13 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 13.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 53 1200 AM  
LOWEST 23 200 PM  
AVERAGE 38  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 69 2015  
MINIMUM TEMPERATURE (F) 27 0 1892  
1943  
 
SUNRISE AND SUNSET  
DECEMBER 24 2021......SUNRISE 711 AM EST SUNSET 416 PM EST  
DECEMBER 25 2021......SUNRISE 712 AM EST SUNSET 417 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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