123  
CDUS41 KBOX 232120  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
520 PM EDT SAT OCT 23 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 23 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 60 309 PM 84 1947 60 0 62  
MINIMUM 50 814 AM 29 1883 45 5 55  
AVERAGE 55 52 3 59  
 
PRECIPITATION (IN)  
TODAY 0.00 2.33 1956 0.14 -0.14 0.00  
MONTH TO DATE 1.84 3.00 -1.16 3.53  
SINCE SEP 1 9.31 6.56 2.75 4.50  
SINCE JAN 1 45.27 34.60 10.67 26.22  
 
SNOWFALL (IN)  
TODAY 0.0 T 1969 0.0 0.0 0.0  
2002  
2003  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE SEP 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 0.0 0.1 -0.1 T  
 
DEGREE DAYS  
HEATING  
TODAY 10 13 -3 6  
MONTH TO DATE 63 212 -149 166  
SINCE SEP 1 75 283 -208 236  
SINCE JUL 1 84 292 -208 238  
 
COOLING  
TODAY 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)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 9.0  
 
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 66 400 AM  
LOWEST 44 400 PM  
AVERAGE 55  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 80 1900  
MINIMUM TEMPERATURE (F) 45 30 1969  
 
SUNRISE AND SUNSET  
OCTOBER 23 2021.......SUNRISE 707 AM EDT SUNSET 549 PM EDT  
OCTOBER 24 2021.......SUNRISE 708 AM EDT SUNSET 548 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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