225  
CDUS41 KBOX 191105  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
655 AM EDT TUE MAR 19 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MARCH 18 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 44 417 PM 74 2012 46 -2 33  
MINIMUM 28 507 AM 5 1885 32 -4 16  
AVERAGE 36 39 -3 25  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.49 1968 0.15 -0.15 0.00  
MONTH TO DATE 1.90 2.40 -0.50 4.80  
SINCE MAR 1 1.90 2.40 -0.50 4.80  
SINCE JAN 1 8.97 9.01 -0.04 13.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 9.4 1977 0.3 -0.3 0.0  
MONTH TO DATE 13.5 5.4 8.1 21.9  
SINCE MAR 1 13.5 5.4 8.1 21.9  
SINCE JUL 1 27.4 39.5 -12.1 57.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 29 26 3 40  
MONTH TO DATE 530 513 17 519  
SINCE MAR 1 530 513 17 519  
SINCE JUL 1 4336 4555 -219 4271  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION W (290)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 10.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 46 500 AM  
LOWEST 19 300 PM  
AVERAGE 33  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 74 2012  
MINIMUM TEMPERATURE (F) 32 5 1876  
 
 
SUNRISE AND SUNSET  
MARCH 19 2019.........SUNRISE 650 AM EDT SUNSET 655 PM EDT  
MARCH 20 2019.........SUNRISE 648 AM EDT SUNSET 656 PM EDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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