009  
CDUS41 KBOX 220816  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
415 AM EDT MON OCT 22 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 21 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 53 1252 AM 82 1920 60 -7 78  
MINIMUM 37 1159 PM 30 1974 45 -8 51  
AVERAGE 45 52 -7 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.78 1996 0.12 -0.09 0.00  
1944  
MONTH TO DATE 1.61 2.67 -1.06 0.49  
SINCE SEP 1 6.73 6.11 0.62 4.22  
SINCE JAN 1 39.17 34.73 4.44 35.51  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1964 0.0 0.0 0.0  
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 20 13 7 0  
MONTH TO DATE 159 206 -47 80  
SINCE SEP 1 188 290 -102 117  
SINCE JUL 1 188 303 -115 129  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 22 6 16 36  
SINCE SEP 1 175 87 88 147  
SINCE JAN 1 1132 746 386 876    
..............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION NW (320)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 14.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 1200 AM  
LOWEST 36 200 PM  
AVERAGE 54  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 83 1979  
MINIMUM TEMPERATURE (F) 45 28 1940  
 
 
SUNRISE AND SUNSET  
OCTOBER 22 2018.......SUNRISE 705 AM EDT SUNSET 551 PM EDT  
OCTOBER 23 2018.......SUNRISE 706 AM EDT SUNSET 550 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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