551  
CDUS41 KBOX 280616  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
206 AM EDT SUN APR 28 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 27 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 57 117 PM 92 1990 60 -3 57  
MINIMUM 45 1159 PM 33 1993 44 1 46  
1909  
1882  
AVERAGE 51 52 -1 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.66 1.50 1882 0.12 0.54 0.54  
MONTH TO DATE 6.37 3.40 2.97 4.37  
SINCE MAR 1 9.32 7.72 1.60 9.44  
SINCE JAN 1 16.39 14.33 2.06 18.13  
 
SNOWFALL (IN)  
YESTERDAY MM 2.1 1993 0.0 MM 0.0  
MONTH TO DATE T 1.9 -1.9 1.3  
SINCE MAR 1 13.5 9.7 3.8 24.6  
SINCE JUL 1 27.4 43.8 -16.4 59.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 13 1 13  
MONTH TO DATE 356 472 -116 542  
SINCE MAR 1 1152 1301 -149 1395  
SINCE JUL 1 4958 5343 -385 5147  
 
COOLING  
YESTERDAY 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)  
RESULTANT WIND SPEED 18 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 33 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 17.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 100 AM  
LOWEST 38 100 PM  
AVERAGE 66  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 93 2009  
MINIMUM TEMPERATURE (F) 45 30 1947  
 
 
SUNRISE AND SUNSET  
APRIL 28 2019.........SUNRISE 544 AM EDT SUNSET 740 PM EDT  
APRIL 29 2019.........SUNRISE 542 AM EDT SUNSET 741 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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