793  
CDUS41 KBOX 210539  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1239 AM EST TUE FEB 21 2023  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR FEBRUARY 20 2023  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 61 300 PM 70 2018 40 21 33  
MINIMUM 44 627 AM 0 1950 26 18 16  
AVERAGE 53 33 20 25  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.87 1934 0.12 -0.12 0.00  
MONTH TO DATE 0.12 2.23 -2.11 3.56  
SINCE DEC 1 9.10 9.92 -0.82 8.34  
SINCE JAN 1 5.35 5.62 -0.27 5.89  
 
SNOWFALL (IN)  
YESTERDAY 0.0 16.5 1921 0.5 -0.5 0.0  
MONTH TO DATE T 10.6 -10.6 6.8  
SINCE DEC 1 7.9 33.9 -26.0 43.4  
SINCE JUL 1 7.9 34.8 -26.9 43.4  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 32 -20 40  
MONTH TO DATE 559 678 -119 630  
SINCE DEC 1 2244 2672 -428 2581  
SINCE JUL 1 3041 3686 -645 3369  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 10.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 700 AM  
LOWEST 33 200 PM  
AVERAGE 63  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 40 72 2018  
MINIMUM TEMPERATURE (F) 26 -1 1950  
 
SUNRISE AND SUNSET  
FEBRUARY 21 2023......SUNRISE 632 AM EST SUNSET 524 PM EST  
FEBRUARY 22 2023......SUNRISE 631 AM EST SUNSET 525 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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