850  
CDUS41 KLWX 100524  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
124 AM EDT SAT AUG 10 2024  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 9 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 5:39 PM 102 1930 89 -5 88  
MINIMUM 77 12:31 PM 57 1989 72 5 71  
AVERAGE 81 80 1 80  
 
PRECIPITATION (IN)  
YESTERDAY 1.80 2.71 1905 0.11 1.69 T  
MONTH TO DATE 3.02 1.00 2.02 1.81  
SINCE JUN 1 8.99 9.53 -0.54 10.37  
SINCE JAN 1 27.53 25.66 1.87 20.59  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 4 -4 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 16 15 1 15  
MONTH TO DATE 170 141 29 113  
SINCE JUN 1 1209 980 229 914  
SINCE JAN 1 1434 1147 287 1049    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 7:00 AM  
LOWEST 74 5:00 AM  
AVERAGE 84  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 98 1943  
2010  
MINIMUM TEMPERATURE (F) 72 55 1879  
1919  
 
SUNRISE AND SUNSET  
AUGUST 10 2024........SUNRISE 6:18 AM EDT SUNSET 8:08 PM EDT  
AUGUST 11 2024........SUNRISE 6:19 AM EDT SUNSET 8:07 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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