097  
CDUS41 KBOX 190531  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
131 AM EDT THU OCT 19 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR OCTOBER 18 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 62 203 PM 82 1947 61 1 69  
MINIMUM 50 346 AM 31 1883 47 3 50  
1939  
AVERAGE 56 54 2 60  
 
PRECIPITATION (IN)  
YESTERDAY T 3.13 1932 0.14 -0.14 0.18  
MONTH TO DATE 0.19 2.32 -2.13 3.59  
SINCE SEP 1 3.94 5.88 -1.94 6.19  
SINCE JAN 1 40.50 33.92 6.58 24.12  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.1 2009 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  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 11 -2 5  
MONTH TO DATE 98 152 -54 118  
SINCE SEP 1 154 223 -69 175  
SINCE JUL 1 154 232 -78 175  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 10 6 4 3  
SINCE SEP 1 146 97 49 74  
SINCE JAN 1 844 797 47 1024    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 100 AM  
LOWEST 62 200 PM  
AVERAGE 77  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 84 1945  
MINIMUM TEMPERATURE (F) 46 28 1922  
 
SUNRISE AND SUNSET  
OCTOBER 19 2023.......SUNRISE 701 AM EDT SUNSET 556 PM EDT  
OCTOBER 20 2023.......SUNRISE 703 AM EDT SUNSET 555 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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