673  
CDUS41 KBOX 210604  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1253 AM EST WED NOV 21 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR NOVEMBER 20 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 42 928 AM 74 1953 50 -8 42  
MINIMUM 35 903 PM 15 1894 37 -2 35  
AVERAGE 39 44 -5 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.40 3.85 1876 0.13 0.27 T  
MONTH TO DATE 7.15 2.63 4.52 0.91  
SINCE SEP 1 16.05 10.01 6.04 8.78  
SINCE JAN 1 48.49 38.63 9.86 40.07  
 
SNOWFALL (IN)  
YESTERDAY T 3.0 1897 0.1 -0.1 T  
MONTH TO DATE 0.1 0.5 -0.4 T  
SINCE SEP 1 0.1 0.5 -0.4 T  
SINCE JUL 1 0.1 0.5 -0.4 T  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 22 4 26  
MONTH TO DATE 372 375 -3 406  
SINCE SEP 1 745 809 -64 588  
SINCE JUL 1 745 822 -77 600  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 175 88 87 151  
SINCE JAN 1 1132 747 385 880    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION N (360)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 10.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
HAIL  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 600 AM  
LOWEST 76 1100 PM  
AVERAGE 84  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 74 1931  
MINIMUM TEMPERATURE (F) 37 10 1879  
 
 
SUNRISE AND SUNSET  
NOVEMBER 21 2018......SUNRISE 642 AM EST SUNSET 417 PM EST  
NOVEMBER 22 2018......SUNRISE 643 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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