545  
CDUS41 KBOX 210526  
CLIBOS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BOSTON/NORTON MA  
126 AM EDT SUN JUL 21 2024  
   
...............................
 
 
   
..THE BOSTON MA CLIMATE SUMMARY FOR JULY 20 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1872 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 242 PM 99 1991 83 4 79  
MINIMUM 65 445 AM 54 1879 67 -2 70  
1890  
AVERAGE 76 74 2 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.78 1982 0.11 -0.11 0.00  
MONTH TO DATE 1.13 2.08 -0.95 4.27  
SINCE JUN 1 5.17 5.97 -0.80 7.71  
SINCE JAN 1 30.18 23.62 6.56 23.94  
 
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 7 50 -43 74  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 11 10 1 10  
MONTH TO DATE 257 181 76 214  
SINCE JUN 1 447 319 128 320  
SINCE JAN 1 493 352 141 364    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION SW (240)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 1200 AM  
LOWEST 33 200 PM  
AVERAGE 55  
   
......................................................
 
 
THE BOSTON MA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 102 1977  
MINIMUM TEMPERATURE (F) 67 52 1890  
 
SUNRISE AND SUNSET  
JULY 21 2024..........SUNRISE 526 AM EDT SUNSET 814 PM EDT  
JULY 22 2024..........SUNRISE 527 AM EDT SUNSET 813 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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