530  
CDUS41 KBOX 050630  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
219 AM EDT SUN MAY 5 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 4 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 55 130 AM 90 2001 62 -7 82  
MINIMUM 48 1120 PM 33 1911 46 2 57  
AVERAGE 52 54 -2 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.14 2.71 1893 0.10 0.04 T  
MONTH TO DATE 0.31 0.42 -0.11 0.09  
SINCE MAR 1 9.78 8.48 1.30 9.78  
SINCE JAN 1 16.85 15.09 1.76 18.47  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1920 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
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 13 11 2 0  
MONTH TO DATE 57 46 11 9  
SINCE MAR 1 1251 1385 -134 1445  
SINCE JUL 1 5057 5427 -370 5197  
 
COOLING  
YESTERDAY 0 0 0 5  
MONTH TO DATE 0 0 0 25  
SINCE MAR 1 8 3 5 25  
SINCE JAN 1 8 3 5 25    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 5.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 200 AM  
LOWEST 77 300 PM  
AVERAGE 87  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 89 1949  
MINIMUM TEMPERATURE (F) 47 35 1907  
1891  
1874  
 
 
SUNRISE AND SUNSET  
MAY 5 2019...........SUNRISE 534 AM EDT SUNSET 748 PM EDT  
MAY 6 2019...........SUNRISE 533 AM EDT SUNSET 749 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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