808  
CDUS41 KBOX 212125  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
525 PM EDT SUN APR 21 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 21 2019
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 65 1257 AM 88 1957 58 7 59  
MINIMUM 55 122 PM 21 1875 42 13 39  
AVERAGE 60 50 10 49  
 
PRECIPITATION (IN)  
TODAY 0.03 3.32 1991 0.11 -0.08 0.00  
MONTH TO DATE 2.42 2.72 -0.30 2.90  
SINCE MAR 1 5.37 7.04 -1.67 7.97  
SINCE JAN 1 12.44 13.65 -1.21 16.66  
 
SNOWFALL (IN)  
TODAY 0.0 0.2 1947 0.0 0.0 0.0  
MONTH TO DATE T 1.8 -1.8 1.3  
SINCE MAR 1 13.5 9.6 3.9 24.6  
SINCE JUL 1 27.4 43.7 -16.3 59.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 5 15 -10 16  
MONTH TO DATE 283 388 -105 474  
SINCE MAR 1 1079 1217 -138 1327  
SINCE JUL 1 4885 5259 -374 5079  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 8 0 8 0  
SINCE MAR 1 8 0 8 0  
SINCE JAN 1 8 0 8 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 6.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 600 AM  
LOWEST 84 900 AM  
AVERAGE 89  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 88 1977  
MINIMUM TEMPERATURE (F) 43 26 1875  
 
 
SUNRISE AND SUNSET  
APRIL 21 2019.........SUNRISE 554 AM EDT SUNSET 732 PM EDT  
APRIL 22 2019.........SUNRISE 553 AM EDT SUNSET 733 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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