430  
CDUS41 KBOX 212129  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
429 PM EST SAT JAN 21 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 21 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 33 126 PM 68 1906 36 -3 22  
MINIMUM 29 537 AM 0 1879 22 7 9  
1888  
AVERAGE 31 29 2 16  
 
PRECIPITATION (IN)  
TODAY T 2.52 1979 0.10 -0.10 0.00  
MONTH TO DATE 3.05 2.36 0.69 1.80  
SINCE DEC 1 6.80 6.66 0.14 4.25  
SINCE JAN 1 3.05 2.36 0.69 1.80  
 
SNOWFALL (IN)  
TODAY 0.0 7.3 2011 0.5 -0.5 0.0  
MONTH TO DATE 4.2 9.4 -5.2 11.8  
SINCE DEC 1 5.2 18.4 -13.2 12.2  
SINCE JUL 1 5.2 19.3 -14.1 12.2  
 
DEGREE DAYS  
HEATING  
TODAY 34 36 -2 49  
MONTH TO DATE 562 731 -169 748  
SINCE DEC 1 1412 1639 -227 1540  
SINCE JUL 1 2209 2653 -444 2328  
 
COOLING  
TODAY 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)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 100 AM  
LOWEST 72 400 PM  
AVERAGE 81  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 66 1916  
MINIMUM TEMPERATURE (F) 22 -3 1888  
 
SUNRISE AND SUNSET  
JANUARY 21 2023.......SUNRISE 707 AM EST SUNSET 444 PM EST  
JANUARY 22 2023.......SUNRISE 707 AM EST SUNSET 445 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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