156  
CDUS41 KBOX 092132  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
532 PM EDT THU MAY 9 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MAY 9 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 55 359 PM 95 1979 64 -9 63  
MINIMUM 47 251 AM 35 1977 48 -1 46  
AVERAGE 51 56 -5 55  
 
PRECIPITATION (IN)  
TODAY 0.00 2.50 1954 0.10 -0.10 T  
MONTH TO DATE 0.40 0.95 -0.55 0.28  
SINCE MAR 1 9.87 9.01 0.86 9.97  
SINCE JAN 1 16.94 15.62 1.32 18.66  
 
SNOWFALL (IN)  
TODAY 0.0 T 1977 0.0 0.0 0.0  
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 14 10 4 10  
MONTH TO DATE 110 98 12 47  
SINCE MAR 1 1304 1437 -133 1483  
SINCE JUL 1 5110 5479 -369 5235  
 
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 21 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 10.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 61 100 AM  
LOWEST 41 600 AM  
AVERAGE 51  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 94 1979  
1896  
MINIMUM TEMPERATURE (F) 48 34 1902  
1900  
 
 
SUNRISE AND SUNSET  
MAY 9 2019...........SUNRISE 530 AM EDT SUNSET 752 PM EDT  
MAY 10 2019...........SUNRISE 528 AM EDT SUNSET 753 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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