034  
CDUS41 KBOX 212139  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
439 PM EST MON JAN 21 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 21 2019
 
 
VALID TODAY AS OF 0400 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 10 1203 AM 68 1906 35 -25 49  
MINIMUM 5 1103 AM 0 1888 22 -17 34  
1879  
AVERAGE 8 29 -21 42  
 
PRECIPITATION (IN)  
TODAY T 2.52 1979 0.11 -0.11 0.00  
MONTH TO DATE 2.41 2.30 0.11 3.42  
SINCE DEC 1 5.13 6.08 -0.95 5.91  
SINCE JAN 1 2.41 2.30 0.11 3.42  
 
SNOWFALL (IN)  
TODAY T 7.3 2011 0.5 -0.5 0.0  
MONTH TO DATE 1.6 9.0 -7.4 15.4  
SINCE DEC 1 1.7 18.0 -16.3 24.6  
SINCE JUL 1 1.8 19.3 -17.5 24.6  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 57 36 21 23  
MONTH TO DATE 706 752 -46 809  
SINCE DEC 1 1560 1691 -131 1866  
SINCE JUL 1 2584 2746 -162 2693  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 20.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 700 AM  
LOWEST 49 300 PM  
AVERAGE 55  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 66 1916  
MINIMUM TEMPERATURE (F) 22 -3 1888  
 
 
SUNRISE AND SUNSET  
JANUARY 21 2019.......SUNRISE 707 AM EST SUNSET 444 PM EST  
JANUARY 22 2019.......SUNRISE 707 AM EST SUNSET 445 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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