223  
CDUS41 KBOX 070531  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
131 AM EDT TUE MAY 7 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 6 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 60 1231 PM 90 1930 63 -3 67  
MINIMUM 47 1159 PM 33 1891 47 0 50  
AVERAGE 54 55 -1 59  
 
PRECIPITATION (IN)  
YESTERDAY T 1.00 1998 0.11 -0.11 0.19  
MONTH TO DATE 0.32 0.65 -0.33 0.28  
SINCE MAR 1 9.79 8.71 1.08 9.97  
SINCE JAN 1 16.86 15.32 1.54 18.66  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1917 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 11 11 0 6  
MONTH TO DATE 83 68 15 15  
SINCE MAR 1 1277 1407 -130 1451  
SINCE JUL 1 5083 5449 -366 5203  
 
COOLING  
YESTERDAY 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)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 11.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 AM  
LOWEST 59 400 PM  
AVERAGE 76  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 95 1930  
MINIMUM TEMPERATURE (F) 47 37 1992  
1967  
 
 
SUNRISE AND SUNSET  
MAY 7 2019...........SUNRISE 532 AM EDT SUNSET 750 PM EDT  
MAY 8 2019...........SUNRISE 531 AM EDT SUNSET 751 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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