467  
CDUS41 KBOX 182122  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
522 PM EDT TUE JUL 18 2023  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JULY 18 2023
 
 
VALID AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 85 315 PM 98 1982 83 2 82  
MINIMUM 72 539 AM 54 1881 67 5 68  
AVERAGE 79 74 5 75  
 
PRECIPITATION (IN)  
TODAY 0.00 2.52 1912 0.10 -0.10 0.15  
MONTH TO DATE 4.27 1.86 2.41 0.56  
SINCE JUN 1 7.71 5.75 1.96 2.89  
SINCE JAN 1 23.94 23.40 0.54 16.40  
 
SNOWFALL (IN)  
TODAY 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  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 14 10 4 10  
MONTH TO DATE 190 161 29 179  
SINCE JUN 1 296 299 -3 310  
SINCE JAN 1 340 332 8 365    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 63 200 PM  
AVERAGE 80  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 99 2013  
MINIMUM TEMPERATURE (F) 67 54 1875  
1881  
 
SUNRISE AND SUNSET  
JULY 18 2023..........SUNRISE 523 AM EDT SUNSET 817 PM EDT  
JULY 19 2023..........SUNRISE 524 AM EDT SUNSET 816 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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