688  
CDUS41 KBOX 110600  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
150 AM EDT THU APR 11 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 10 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 47 346 PM 85 1922 54 -7 41  
MINIMUM 36 1159 PM 26 1997 39 -3 35  
1985  
1917  
AVERAGE 42 46 -4 38  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.08 1983 0.14 -0.13 T  
MONTH TO DATE 1.05 1.37 -0.32 1.00  
SINCE MAR 1 4.00 5.69 -1.69 6.07  
SINCE JAN 1 11.07 12.30 -1.23 14.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.4 1996 0.1 -0.1 0.0  
MONTH TO DATE T 1.1 -1.1 1.3  
SINCE MAR 1 13.5 8.9 4.6 24.6  
SINCE JUL 1 27.4 43.0 -15.6 59.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 19 4 27  
MONTH TO DATE 191 205 -14 250  
SINCE MAR 1 987 1034 -47 1103  
SINCE JUL 1 4793 5076 -283 4855  
 
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 12 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 13.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 86 400 AM  
LOWEST 41 400 PM  
AVERAGE 64  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 54 84 2017  
MINIMUM TEMPERATURE (F) 39 25 1909  
 
 
SUNRISE AND SUNSET  
APRIL 11 2019.........SUNRISE 610 AM EDT SUNSET 721 PM EDT  
APRIL 12 2019.........SUNRISE 609 AM EDT SUNSET 722 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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