823  
CDUS41 KBOX 192120  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
520 PM EDT TUE OCT 19 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 19 2021
 
 
VALID TODAY AS OF 0500 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 63 305 PM 84 1945 61 2 58  
MINIMUM 46 624 AM 28 1922 46 0 44  
AVERAGE 55 54 1 51  
 
PRECIPITATION (IN)  
TODAY 0.00 2.06 1932 0.13 -0.13 0.00  
MONTH TO DATE 1.84 2.45 -0.61 3.47  
SINCE SEP 1 9.31 6.01 3.30 4.44  
SINCE JAN 1 45.27 34.05 11.22 26.16  
 
SNOWFALL (IN)  
TODAY 0.0 T 1972 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 T  
 
DEGREE DAYS  
HEATING  
TODAY 10 11 -1 14  
MONTH TO DATE 50 163 -113 145  
SINCE SEP 1 62 234 -172 215  
SINCE JUL 1 71 243 -172 217  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 12 6 6 3  
SINCE SEP 1 168 97 71 97  
SINCE JAN 1 1144 797 347 924    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 14.8  
 
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 68 1200 AM  
LOWEST 29 300 PM  
AVERAGE 49  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 79 1969  
MINIMUM TEMPERATURE (F) 46 32 1900  
1972  
1974  
 
SUNRISE AND SUNSET  
OCTOBER 19 2021.......SUNRISE 702 AM EDT SUNSET 555 PM EDT  
OCTOBER 20 2021.......SUNRISE 703 AM EDT SUNSET 554 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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