218  
CDUS41 KBOX 222124  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
524 PM EDT WED SEP 22 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 22 2021
 
 
VALID 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 80 1159 AM 94 1895 71 9 66  
MINIMUM 66 347 AM 35 1904 56 10 45  
AVERAGE 73 64 9 56  
 
PRECIPITATION (IN)  
TODAY T 1.88 1998 0.13 -0.13 0.00  
MONTH TO DATE 6.14 2.54 3.60 0.46  
SINCE SEP 1 6.14 2.54 3.60 0.46  
SINCE JAN 1 42.10 30.58 11.52 22.18  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2000 0.0 0.0 0.0  
2001  
2002  
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  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 0 3 -3 9  
MONTH TO DATE 0 34 -34 70  
SINCE SEP 1 0 34 -34 70  
SINCE JUL 1 9 43 -34 72  
 
COOLING  
TODAY 8 2 6 0  
MONTH TO DATE 125 80 45 65  
SINCE SEP 1 125 80 45 65  
SINCE JAN 1 1101 780 321 892    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 200 AM  
LOWEST 62 1200 PM  
AVERAGE 76  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 96 1895  
MINIMUM TEMPERATURE (F) 56 35 1875  
1904  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2021.....SUNRISE 632 AM EDT SUNSET 641 PM EDT  
SEPTEMBER 23 2021.....SUNRISE 633 AM EDT SUNSET 639 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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