925  
CDUS41 KBOX 150551  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
150 AM EDT SUN SEP 15 2019  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 14 2019
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 72 1246 PM 92 1931 73 -1 75  
1915  
MINIMUM 53 300 AM 40 1884 58 -5 65  
AVERAGE 63 66 -3 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.21 2.46 1944 0.12 0.09 0.00  
MONTH TO DATE 1.75 1.49 0.26 2.02  
SINCE SEP 1 1.75 1.49 0.26 2.02  
SINCE JAN 1 36.08 30.11 5.97 34.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0  
2001  
2000  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 2 0 0  
MONTH TO DATE 7 18 -11 4  
SINCE SEP 1 7 18 -11 4  
SINCE JUL 1 7 31 -24 4  
 
COOLING  
YESTERDAY 0 3 -3 5  
MONTH TO DATE 49 55 -6 108  
SINCE SEP 1 49 55 -6 108  
SINCE JAN 1 927 714 213 1065    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 10 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 11.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 200 PM  
LOWEST 57 1200 PM  
AVERAGE 69  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 94 1915  
MINIMUM TEMPERATURE (F) 58 41 1913  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2019.....SUNRISE 624 AM EDT SUNSET 654 PM EDT  
SEPTEMBER 16 2019.....SUNRISE 625 AM EDT SUNSET 652 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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