059  
CDUS41 KBOX 310707  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
307 AM EDT SUN OCT 31 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 30 2021
 
 
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)  
YESTERDAY  
MAXIMUM 59 159 PM 78 1918 57 2 44  
MINIMUM 52 259 AM 28 1928 43 9 30  
AVERAGE 56 50 6 37  
 
PRECIPITATION (IN)  
YESTERDAY 1.02 1.68 1917 0.12 0.90 0.26  
MONTH TO DATE 4.69 3.90 0.79 4.98  
SINCE SEP 1 12.16 7.46 4.70 5.95  
SINCE JAN 1 48.12 35.50 12.62 27.67  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.3 2020 0.0 0.0 4.3  
MONTH TO DATE 0.0 0.2 -0.2 4.3  
SINCE SEP 1 0.0 0.2 -0.2 4.3  
SINCE JUL 1 0.0 0.2 -0.2 4.3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 15 -6 28  
MONTH TO DATE 159 310 -151 285  
SINCE SEP 1 171 381 -210 355  
SINCE JUL 1 180 390 -210 357  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 14 6 8 3  
SINCE SEP 1 170 97 73 97  
SINCE JAN 1 1146 797 349 924    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 15 RESULTANT WIND DIRECTION E (90)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 14.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1000 AM  
LOWEST 71 1200 AM  
AVERAGE 86  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 81 1946  
MINIMUM TEMPERATURE (F) 43 27 1887  
1904  
 
SUNRISE AND SUNSET  
OCTOBER 31 2021.......SUNRISE 716 AM EDT SUNSET 538 PM EDT  
NOVEMBER 1 2021......SUNRISE 718 AM EDT SUNSET 537 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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