214  
CDUS41 KBOX 112122  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
522 PM EDT MON OCT 11 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 11 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 69 226 PM 82 1955 64 5 67  
MINIMUM 62 632 AM 32 1881 49 13 51  
1979  
AVERAGE 66 56 10 59  
 
PRECIPITATION (IN)  
TODAY T 0.85 2006 0.12 -0.12 0.00  
MONTH TO DATE 1.51 1.40 0.11 0.04  
SINCE SEP 1 8.98 4.96 4.02 1.01  
SINCE JAN 1 44.94 33.00 11.94 22.73  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2007 0.0 0.0 0.0  
2008  
2009  
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 9 -9 6  
MONTH TO DATE 24 81 -57 64  
SINCE SEP 1 36 152 -116 134  
SINCE JUL 1 45 161 -116 136  
 
COOLING  
TODAY 1 0 1 0  
MONTH TO DATE 1 6 -5 3  
SINCE SEP 1 157 97 60 97  
SINCE JAN 1 1133 797 336 924    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 700 AM  
LOWEST 73 100 PM  
AVERAGE 80  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 90 1954  
MINIMUM TEMPERATURE (F) 49 31 1876  
 
SUNRISE AND SUNSET  
OCTOBER 11 2021.......SUNRISE 653 AM EDT SUNSET 608 PM EDT  
OCTOBER 12 2021.......SUNRISE 654 AM EDT SUNSET 607 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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