361  
CDUS41 KBOX 210634  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
234 AM EDT TUE MAR 21 2023  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MARCH 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 52 436 PM 79 1945 46 6 62  
MINIMUM 28 551 AM 10 1885 32 -4 42  
AVERAGE 40 39 1 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.58 1881 0.15 -0.15 T  
MONTH TO DATE 3.51 2.63 0.88 1.44  
SINCE MAR 1 3.51 2.63 0.88 1.44  
SINCE JAN 1 10.10 9.23 0.87 8.38  
 
SNOWFALL (IN)  
YESTERDAY 0.0 10.2 1944 0.3 -0.3 0.0  
MONTH TO DATE 0.9 6.9 -6.0 2.1  
SINCE MAR 1 0.9 6.9 -6.0 2.1  
SINCE JUL 1 12.4 45.5 -33.1 54.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 25 26 -1 13  
MONTH TO DATE 509 564 -55 474  
SINCE MAR 1 509 564 -55 474  
SINCE JUL 1 3825 4502 -677 4096  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 13 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 13.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 56 500 AM  
LOWEST 18 400 PM  
AVERAGE 37  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 83 1921  
MINIMUM TEMPERATURE (F) 32 7 1885  
 
SUNRISE AND SUNSET  
MARCH 21 2023.........SUNRISE 646 AM EDT SUNSET 657 PM EDT  
MARCH 22 2023.........SUNRISE 644 AM EDT SUNSET 658 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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