185  
CDUS41 KBOX 202151  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
451 PM EST FRI JAN 20 2023  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JANUARY 20 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 38 1235 AM 60 1951 36 2 41  
MINIMUM 33 359 PM -3 1901 22 11 19  
1946  
AVERAGE 36 29 7 30  
 
PRECIPITATION (IN)  
TODAY 0.48 2.05 1978 0.10 0.38 0.15  
MONTH TO DATE 3.04 2.26 0.78 1.80  
SINCE DEC 1 6.79 6.56 0.23 4.25  
SINCE JAN 1 3.04 2.26 0.78 1.80  
 
SNOWFALL (IN)  
TODAY 0.3 21.0 1978 0.4 -0.1 T  
MONTH TO DATE 4.2 8.9 -4.7 11.8  
SINCE DEC 1 5.2 17.9 -12.7 12.2  
SINCE JUL 1 5.2 18.8 -13.6 12.2  
 
DEGREE DAYS  
HEATING  
TODAY 29 36 -7 35  
MONTH TO DATE 527 695 -168 699  
SINCE DEC 1 1377 1603 -226 1491  
SINCE JUL 1 2174 2617 -443 2279  
 
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 36 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 11.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
MIXED PRECIP  
RAIN  
LIGHT RAIN  
SNOW  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 100 AM  
LOWEST 92 400 PM  
AVERAGE 96  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 68 1906  
MINIMUM TEMPERATURE (F) 22 0 1879  
1888  
 
SUNRISE AND SUNSET  
JANUARY 20 2023.......SUNRISE 708 AM EST SUNSET 443 PM EST  
JANUARY 21 2023.......SUNRISE 707 AM EST SUNSET 444 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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