721  
CDUS41 KBOX 202118  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
517 PM EDT SAT OCT 20 2018  
 
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 20 2018
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 65 MM 79 1969 60 5 71  
MINIMUM 55 MM 32 1974 45 10 58  
1972  
1900  
AVERAGE 60 53 7 65  
 
PRECIPITATION (IN)  
TODAY T 6.11 1996 0.13 -0.13 0.00  
MONTH TO DATE 1.58 2.55 -0.97 0.49  
SINCE SEP 1 6.70 5.99 0.71 4.22  
SINCE JAN 1 39.14 34.61 4.53 35.51  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 2009 0.0 0.0 0.0  
2008  
2007  
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 0  
 
DEGREE DAYS  
HEATING  
TODAY 5 13 -8 0  
MONTH TO DATE 137 193 -56 80  
SINCE SEP 1 166 277 -111 117  
SINCE JUL 1 166 290 -124 129  
 
COOLING  
TODAY 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)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 14.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 200 AM  
LOWEST 48 200 PM  
AVERAGE 60  
   
......................................................
 
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 82 1920  
MINIMUM TEMPERATURE (F) 45 30 1974  
 
 
SUNRISE AND SUNSET  
OCTOBER 20 2018.......SUNRISE 703 AM EDT SUNSET 554 PM EDT  
OCTOBER 21 2018.......SUNRISE 704 AM EDT SUNSET 553 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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