625  
CDUS41 KBOX 311516  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1015 AM EST THU JAN 31 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 30 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 39 406 AM 63 1914 36 3 31  
MINIMUM 9 1159 PM -5 1873 22 -13 20  
AVERAGE 24 29 -5 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 1.01 1939 0.10 0.06 0.15  
MONTH TO DATE 3.62 3.25 0.37 4.92  
SINCE DEC 1 6.34 7.03 -0.69 7.41  
SINCE JAN 1 3.62 3.25 0.37 4.92  
 
SNOWFALL (IN)  
YESTERDAY 0.5 5.7 1966 0.4 0.1 2.3  
MONTH TO DATE 2.1 12.5 -10.4 17.8  
SINCE DEC 1 2.2 21.5 -19.3 27.0  
SINCE JUL 1 2.3 22.8 -20.5 27.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 41 36 5 39  
MONTH TO DATE 1001 1076 -75 1078  
SINCE DEC 1 1855 2015 -160 2135  
SINCE JUL 1 2879 3070 -191 2962  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 44 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 15.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
BLOWING SNOW  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 200 AM  
LOWEST 29 200 PM  
AVERAGE 61  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 62 1913  
MINIMUM TEMPERATURE (F) 23 -8 1920  
 
 
SUNRISE AND SUNSET  
JANUARY 31 2019.......SUNRISE 659 AM EST SUNSET 457 PM EST  
FEBRUARY 1 2019......SUNRISE 658 AM EST SUNSET 458 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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