691  
CDUS41 KBOX 292125  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
525 PM EDT WED SEP 29 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 29 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 66 111 PM 88 1952 68 -2 79  
MINIMUM 52 601 AM 34 1914 53 -1 62  
AVERAGE 59 61 -2 71  
 
PRECIPITATION (IN)  
TODAY 0.00 2.83 1907 0.13 -0.13 T  
MONTH TO DATE 7.47 3.43 4.04 0.51  
SINCE SEP 1 7.47 3.43 4.04 0.51  
SINCE JAN 1 43.43 31.47 11.96 22.23  
 
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  
 
DEGREE DAYS  
HEATING  
TODAY 6 5 1 0  
MONTH TO DATE 6 65 -59 70  
SINCE SEP 1 6 65 -59 70  
SINCE JUL 1 15 74 -59 72  
 
COOLING  
TODAY 0 1 -1 6  
MONTH TO DATE 156 90 66 93  
SINCE SEP 1 156 90 66 93  
SINCE JAN 1 1132 790 342 920    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 600 AM  
LOWEST 48 1100 AM  
AVERAGE 61  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 68 87 1986  
MINIMUM TEMPERATURE (F) 53 36 1888  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2021.....SUNRISE 639 AM EDT SUNSET 629 PM EDT  
SEPTEMBER 30 2021.....SUNRISE 640 AM EDT SUNSET 627 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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