962  
CDUS41 KBOX 282124  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
524 PM EDT TUE SEP 28 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 28 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 71 829 AM 90 1873 69 2 81  
1881  
MINIMUM 66 1103 AM 37 1947 54 12 63  
AVERAGE 69 61 8 72  
 
PRECIPITATION (IN)  
TODAY 0.37 1.88 2004 0.13 0.24 0.05  
MONTH TO DATE 7.12 3.30 3.82 0.51  
SINCE SEP 1 7.12 3.30 3.82 0.51  
SINCE JAN 1 43.08 31.34 11.74 22.23  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2000 0.0 0.0 0.0  
2001  
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 0 5 -5 0  
MONTH TO DATE 0 60 -60 70  
SINCE SEP 1 0 60 -60 70  
SINCE JUL 1 9 69 -60 72  
 
COOLING  
TODAY 4 1 3 7  
MONTH TO DATE 160 89 71 87  
SINCE SEP 1 160 89 71 87  
SINCE JAN 1 1136 789 347 914    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 1000 AM  
LOWEST 61 1200 AM  
AVERAGE 73  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 88 1952  
MINIMUM TEMPERATURE (F) 53 34 1914  
 
SUNRISE AND SUNSET  
SEPTEMBER 28 2021.....SUNRISE 638 AM EDT SUNSET 630 PM EDT  
SEPTEMBER 29 2021.....SUNRISE 639 AM EDT SUNSET 629 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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