301  
CDUS41 KBOX 121015  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
615 AM EDT SUN MAR 12 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MARCH 11 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 40 511 AM 74 2021 44 -4 51  
MINIMUM 35 1159 PM 9 1939 30 5 31  
AVERAGE 38 37 1 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.94 1901 0.12 -0.06 0.00  
MONTH TO DATE 0.96 1.41 -0.45 0.83  
SINCE MAR 1 0.96 1.41 -0.45 0.83  
SINCE JAN 1 7.55 8.01 -0.46 7.77  
 
SNOWFALL (IN)  
YESTERDAY T 5.0 1934 0.4 -0.4 0.0  
MONTH TO DATE 0.4 4.2 -3.8 1.9  
SINCE MAR 1 0.4 4.2 -3.8 1.9  
SINCE JUL 1 11.9 42.8 -30.9 53.8  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 28 -1 24  
MONTH TO DATE 287 322 -35 291  
SINCE MAR 1 287 322 -35 291  
SINCE JUL 1 3603 4260 -657 3913  
 
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 NE (30)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 14.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
LIGHT SNOW  
SLEET  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 100 PM  
LOWEST 66 1100 PM  
AVERAGE 79  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 71 2012  
MINIMUM TEMPERATURE (F) 30 7 1900  
 
SUNRISE AND SUNSET  
MARCH 12 2023.........SUNRISE 702 AM EDT SUNSET 647 PM EDT  
MARCH 13 2023.........SUNRISE 700 AM EDT SUNSET 648 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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