567  
CDUS41 KLWX 110526  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
126 AM EDT SUN AUG 11 2024  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 10 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 91 2:40 PM 98 1943 89 2 84  
2010  
MINIMUM 72 11:11 PM 55 1879 72 0 73  
1919  
AVERAGE 82 80 2 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.43 1.64 1878 0.10 0.33 0.15  
MONTH TO DATE 3.45 1.10 2.35 1.96  
SINCE JUN 1 9.42 9.63 -0.21 10.52  
SINCE JAN 1 27.96 25.76 2.20 20.74  
 
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 17 15 2 14  
MONTH TO DATE 187 156 31 127  
SINCE JUN 1 1226 995 231 928  
SINCE JAN 1 1451 1162 289 1063    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 12:00 AM  
LOWEST 44 2:00 PM  
AVERAGE 66  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 101 1900  
MINIMUM TEMPERATURE (F) 72 56 1879  
 
SUNRISE AND SUNSET  
AUGUST 11 2024........SUNRISE 6:19 AM EDT SUNSET 8:07 PM EDT  
AUGUST 12 2024........SUNRISE 6:20 AM EDT SUNSET 8:06 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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