743  
CDUS41 KBOX 172118  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
418 PM EST WED NOV 17 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR NOVEMBER 17 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 46 359 PM 76 1928 51 -5 48  
MINIMUM 34 712 AM 14 1924 37 -3 35  
AVERAGE 40 44 -4 42  
 
PRECIPITATION (IN)  
TODAY 0.00 1.65 1930 0.12 -0.12 0.00  
MONTH TO DATE 0.80 2.02 -1.22 1.24  
SINCE SEP 1 13.38 9.61 3.77 7.19  
SINCE JAN 1 49.34 37.65 11.69 28.91  
 
SNOWFALL (IN)  
TODAY 0.0 0.4 1968 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.2 -0.2 T  
SINCE SEP 1 0.0 0.4 -0.4 4.3  
SINCE JUL 1 0.0 0.4 -0.4 4.3  
 
DEGREE DAYS  
HEATING  
TODAY 25 21 4 23  
MONTH TO DATE 294 309 -15 231  
SINCE SEP 1 470 706 -236 616  
SINCE JUL 1 479 715 -236 618  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 170 100 70 97  
SINCE JAN 1 1146 800 346 924    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 700 AM  
LOWEST 51 900 AM  
AVERAGE 60  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 73 1953  
MINIMUM TEMPERATURE (F) 37 14 1936  
 
SUNRISE AND SUNSET  
NOVEMBER 17 2021......SUNRISE 638 AM EST SUNSET 420 PM EST  
NOVEMBER 18 2021......SUNRISE 639 AM EST SUNSET 419 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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