976  
CDUS41 KBOX 132200  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
550 PM EDT MON MAY 13 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 13 2019
 
 
VALID TODAY 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 55 1152 AM 87 1947 65 -10 54  
MINIMUM 45 1213 AM 38 1882 49 -4 48  
1878  
AVERAGE 50 57 -7 51  
 
PRECIPITATION (IN)  
TODAY 0.00 3.84 2006 0.10 -0.10 0.00  
MONTH TO DATE 0.80 1.36 -0.56 0.49  
SINCE MAR 1 10.27 9.42 0.85 10.18  
SINCE JAN 1 17.34 16.03 1.31 18.87  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2002 0.0 0.0 0.0  
2001  
2000  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE MAR 1 13.5 9.8 3.7 24.6  
SINCE JUL 1 27.4 43.9 -16.5 59.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 15 8 7 14  
MONTH TO DATE 150 133 17 84  
SINCE MAR 1 1344 1472 -128 1520  
SINCE JUL 1 5150 5514 -364 5272  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 27  
SINCE MAR 1 8 3 5 27  
SINCE JAN 1 8 3 5 27    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 13.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 1200 AM  
LOWEST 59 800 AM  
AVERAGE 71  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 86 1879  
MINIMUM TEMPERATURE (F) 49 37 1895  
 
 
SUNRISE AND SUNSET  
MAY 13 2019...........SUNRISE 525 AM EDT SUNSET 757 PM EDT  
MAY 14 2019...........SUNRISE 524 AM EDT SUNSET 758 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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