257  
CDUS41 KBOX 172200  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
550 PM EDT WED APR 17 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR APRIL 17 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 60 1212 PM 93 2002 56 4 50  
MINIMUM 45 511 AM 26 1930 41 4 40  
1908  
AVERAGE 53 49 4 45  
 
PRECIPITATION (IN)  
TODAY 0.00 2.47 1954 0.12 -0.12 0.00  
MONTH TO DATE 2.20 2.28 -0.08 2.67  
SINCE MAR 1 5.15 6.60 -1.45 7.74  
SINCE JAN 1 12.22 13.21 -0.99 16.43  
 
SNOWFALL (IN)  
TODAY 0.0 0.6 1935 0.0 0.0 0.0  
MONTH TO DATE T 1.6 -1.6 1.3  
SINCE MAR 1 13.5 9.4 4.1 24.6  
SINCE JUL 1 27.4 43.5 -16.1 59.9  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 12 16 -4 20  
MONTH TO DATE 266 326 -60 393  
SINCE MAR 1 1062 1155 -93 1246  
SINCE JUL 1 4868 5197 -329 4998  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE MAR 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 12.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 49 300 AM  
LOWEST 22 1200 PM  
AVERAGE 36  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 94 1976  
MINIMUM TEMPERATURE (F) 42 26 1887  
1875  
 
 
SUNRISE AND SUNSET  
APRIL 17 2019.........SUNRISE 600 AM EDT SUNSET 728 PM EDT  
APRIL 18 2019.........SUNRISE 559 AM EDT SUNSET 729 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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