604  
CDUS41 KBOX 060559  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
146 AM EDT MON MAY 6 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 5 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 51 354 PM 89 1949 63 -12 75  
MINIMUM 49 833 PM 35 1907 47 2 58  
1891  
1874  
AVERAGE 50 55 -5 67  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.06 1922 0.12 -0.11 0.00  
MONTH TO DATE 0.32 0.54 -0.22 0.09  
SINCE MAR 1 9.79 8.60 1.19 9.78  
SINCE JAN 1 16.86 15.21 1.65 18.47  
 
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 15 11 4 0  
MONTH TO DATE 72 57 15 9  
SINCE MAR 1 1266 1396 -130 1445  
SINCE JUL 1 5072 5438 -366 5197  
 
COOLING  
YESTERDAY 0 0 0 2  
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 6 RESULTANT WIND DIRECTION NE (60)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 6.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 400 AM  
LOWEST 77 400 PM  
AVERAGE 85  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 90 1930  
MINIMUM TEMPERATURE (F) 47 33 1891  
 
 
SUNRISE AND SUNSET  
MAY 6 2019...........SUNRISE 533 AM EDT SUNSET 749 PM EDT  
MAY 7 2019...........SUNRISE 532 AM EDT SUNSET 750 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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