404  
CDUS41 KBOX 230852  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
451 AM EDT SUN SEP 23 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR SEPTEMBER 22 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1872 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 73 201 AM 94 1895 70 3 63  
MINIMUM 57 1159 PM 35 1904 55 2 57  
AVERAGE 65 63 2 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.88 1998 0.12 -0.09 0.16  
MONTH TO DATE 3.20 2.44 0.76 2.15  
SINCE SEP 1 3.20 2.44 0.76 2.15  
SINCE JAN 1 35.64 31.06 4.58 33.44  
 
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 0 4 -4 5  
MONTH TO DATE 6 43 -37 22  
SINCE SEP 1 6 43 -37 22  
SINCE JUL 1 6 56 -50 34  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 141 72 69 76  
SINCE SEP 1 141 72 69 76  
SINCE JAN 1 1098 731 367 805    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION W (280)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 12.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 300 AM  
LOWEST 40 400 PM  
AVERAGE 65  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 96 1895  
MINIMUM TEMPERATURE (F) 55 35 1904  
1875  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2018.....SUNRISE 632 AM EDT SUNSET 640 PM EDT  
SEPTEMBER 24 2018.....SUNRISE 634 AM EDT SUNSET 638 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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