435  
CDUS41 KBOX 050540  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
1240 AM EST FRI MAR 05 2021  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR MARCH 4 2021
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 43 1244 PM 70 1974 42 1 50  
MINIMUM 27 1159 PM 2 1950 28 -1 41  
AVERAGE 35 35 0 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.64 1881 0.13 -0.13 0.03  
MONTH TO DATE 0.18 0.53 -0.35 0.06  
SINCE MAR 1 0.18 0.53 -0.35 0.06  
SINCE JAN 1 5.25 7.14 -1.89 4.75  
 
SNOWFALL (IN)  
YESTERDAY 0.0 12.0 1891 0.3 -0.3 0.0  
MONTH TO DATE T 1.4 -1.4 T  
SINCE MAR 1 T 1.4 -1.4 T  
SINCE JUL 1 38.4 35.5 2.9 15.1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 30 30 0 19  
MONTH TO DATE 132 121 11 97  
SINCE MAR 1 132 121 11 97  
SINCE JUL 1 3909 4163 -254 3480  
 
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 14 RESULTANT WIND DIRECTION NW (300)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 14.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 600 AM  
LOWEST 25 900 PM  
AVERAGE 46  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 72 1880  
MINIMUM TEMPERATURE (F) 28 -4 1872  
 
SUNRISE AND SUNSET  
MARCH 5 2021.........SUNRISE 613 AM EST SUNSET 539 PM EST  
MARCH 6 2021.........SUNRISE 611 AM EST SUNSET 540 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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