928  
CDUS41 KBOX 200529  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
129 AM EDT SAT APR 20 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 19 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 77 312 PM 87 1914 57 20 44  
MINIMUM 63 1216 AM 22 1875 42 21 36  
AVERAGE 70 49 21 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.65 1877 0.11 -0.09 0.23  
MONTH TO DATE 2.22 2.50 -0.28 2.90  
SINCE MAR 1 5.17 6.82 -1.65 7.97  
SINCE JAN 1 12.24 13.43 -1.19 16.66  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.1 1961 0.0 0.0 T  
MONTH TO DATE T 1.7 -1.7 1.3  
SINCE MAR 1 13.5 9.5 4.0 24.6  
SINCE JUL 1 27.4 43.6 -16.2 59.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 16 -16 25  
MONTH TO DATE 278 358 -80 438  
SINCE MAR 1 1074 1187 -113 1291  
SINCE JUL 1 4880 5229 -349 5043  
 
COOLING  
YESTERDAY 5 0 5 0  
MONTH TO DATE 6 0 6 0  
SINCE MAR 1 6 0 6 0  
SINCE JAN 1 6 0 6 0    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 22 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 37 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 46 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 22.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1200 AM  
LOWEST 50 300 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 89 1976  
1941  
1927  
MINIMUM TEMPERATURE (F) 42 21 1897  
 
 
SUNRISE AND SUNSET  
APRIL 20 2019.........SUNRISE 556 AM EDT SUNSET 731 PM EDT  
APRIL 21 2019.........SUNRISE 554 AM EDT SUNSET 732 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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