591  
CDUS41 KBOX 130601  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
201 AM EDT THU JUL 13 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JULY 12 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 91 348 PM 97 1908 82 9 89  
MINIMUM 72 406 AM 54 1886 66 6 67  
AVERAGE 82 74 8 78  
 
PRECIPITATION (IN)  
YESTERDAY T 1.33 2017 0.10 -0.10 0.01  
MONTH TO DATE 2.49 1.22 1.27 0.25  
SINCE JUN 1 5.93 5.11 0.82 2.58  
SINCE JAN 1 22.16 22.76 -0.60 16.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2000 0.0 0.0 0.0  
2001  
2002  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 74 50 24 36  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 17 9 8 13  
MONTH TO DATE 109 103 6 120  
SINCE JUN 1 215 241 -26 251  
SINCE JAN 1 259 274 -15 306    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (210)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 400 AM  
LOWEST 39 1200 PM  
AVERAGE 61  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 97 1894  
MINIMUM TEMPERATURE (F) 66 56 1874  
1888  
1933  
 
SUNRISE AND SUNSET  
JULY 13 2023..........SUNRISE 519 AM EDT SUNSET 820 PM EDT  
JULY 14 2023..........SUNRISE 520 AM EDT SUNSET 820 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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