589  
CDUS41 KBOX 210530  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
130 AM EDT THU MAR 21 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MARCH 20 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 51 MM 79 1945 46 5 39  
MINIMUM 31 MM 10 1885 32 -1 24  
AVERAGE 41 39 2 32  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.58 1881 0.15 -0.15 0.00  
MONTH TO DATE 1.90 2.70 -0.80 4.80  
SINCE MAR 1 1.90 2.70 -0.80 4.80  
SINCE JAN 1 8.97 9.31 -0.34 13.49  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.2 1944 0.3 -0.3 0.0  
MONTH TO DATE 13.5 5.9 7.6 21.9  
SINCE MAR 1 13.5 5.9 7.6 21.9  
SINCE JUL 1 27.4 40.0 -12.6 57.2  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 26 -2 33  
MONTH TO DATE 579 565 14 587  
SINCE MAR 1 579 565 14 587  
SINCE JUL 1 4385 4607 -222 4339  
 
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 6 RESULTANT WIND DIRECTION S (190)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 10.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 64 1200 AM  
LOWEST 37 1100 AM  
AVERAGE 51  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 83 1921  
MINIMUM TEMPERATURE (F) 32 7 1885  
 
 
SUNRISE AND SUNSET  
MARCH 21 2019.........SUNRISE 646 AM EDT SUNSET 657 PM EDT  
MARCH 22 2019.........SUNRISE 644 AM EDT SUNSET 658 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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