649  
CDUS41 KBOX 130534  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
134 AM EDT MON MAR 13 2023  
   
...............................  
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MARCH 12 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 42 1220 PM 71 2012 44 -2 46  
MINIMUM 32 639 AM 7 1900 30 2 24  
AVERAGE 37 37 0 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.55 1936 0.12 -0.12 0.36  
MONTH TO DATE 0.96 1.53 -0.57 1.19  
SINCE MAR 1 0.96 1.53 -0.57 1.19  
SINCE JAN 1 7.55 8.13 -0.58 8.13  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.4 1959 0.3 -0.3 0.2  
MONTH TO DATE 0.4 4.5 -4.1 2.1  
SINCE MAR 1 0.4 4.5 -4.1 2.1  
SINCE JUL 1 11.9 43.1 -31.2 54.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 28 0 30  
MONTH TO DATE 315 350 -35 321  
SINCE MAR 1 315 350 -35 321  
SINCE JUL 1 3631 4288 -657 3943  
 
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 8 RESULTANT WIND DIRECTION NE (40)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 1100 PM  
LOWEST 58 400 AM  
AVERAGE 70  
   
......................................................  
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 73 1946  
1990  
MINIMUM TEMPERATURE (F) 30 3 1885  
 
SUNRISE AND SUNSET  
MARCH 13 2023.........SUNRISE 700 AM EDT SUNSET 648 PM EDT  
MARCH 14 2023.........SUNRISE 658 AM EDT SUNSET 649 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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