602  
CDUS41 KBOX 170527  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
127 AM EDT WED APR 17 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 16 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 61 433 PM 87 2012 56 5 53  
MINIMUM 43 606 AM 28 1943 41 2 36  
1928  
1908  
AVERAGE 52 48 4 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.50 1929 0.12 -0.12 1.57  
MONTH TO DATE 2.20 2.16 0.04 2.67  
SINCE MAR 1 5.15 6.48 -1.33 7.74  
SINCE JAN 1 12.22 13.09 -0.87 16.43  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.0 1992 0.1 -0.1 0.0  
MONTH TO DATE T 1.6 -1.6 1.3  
SINCE MAR 1 13.5 9.4 4.1 24.6  
SINCE JUL 1 27.4 43.5 -16.1 59.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 17 -4 20  
MONTH TO DATE 254 310 -56 373  
SINCE MAR 1 1050 1139 -89 1226  
SINCE JUL 1 4856 5181 -325 4978  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 18 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 18.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 49 100 AM  
LOWEST 20 500 PM  
AVERAGE 35  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 93 2002  
MINIMUM TEMPERATURE (F) 41 26 1930  
1908  
 
 
SUNRISE AND SUNSET  
APRIL 17 2019.........SUNRISE 600 AM EDT SUNSET 728 PM EDT  
APRIL 18 2019.........SUNRISE 559 AM EDT SUNSET 729 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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