639  
CDUS41 KBOX 152119  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
519 PM EDT FRI OCT 15 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 15 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 67 128 PM 86 1897 62 5 72  
MINIMUM 60 502 AM 31 1876 48 12 48  
AVERAGE 64 55 9 60  
 
PRECIPITATION (IN)  
TODAY 0.00 3.23 1930 0.13 -0.13 0.00  
MONTH TO DATE 1.51 1.92 -0.41 1.54  
SINCE SEP 1 8.98 5.48 3.50 2.51  
SINCE JAN 1 44.94 33.52 11.42 24.23  
 
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 1 10 -9 5  
MONTH TO DATE 25 120 -95 96  
SINCE SEP 1 37 191 -154 166  
SINCE JUL 1 46 200 -154 168  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 8 6 2 3  
SINCE SEP 1 164 97 67 97  
SINCE JAN 1 1140 797 343 924    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 600 AM  
LOWEST 81 100 PM  
AVERAGE 89  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 88 1897  
MINIMUM TEMPERATURE (F) 47 30 1876  
1883  
 
SUNRISE AND SUNSET  
OCTOBER 15 2021.......SUNRISE 657 AM EDT SUNSET 602 PM EDT  
OCTOBER 16 2021.......SUNRISE 658 AM EDT SUNSET 600 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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