730  
CDUS41 KLWX 220635  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
235 AM EDT FRI AUG 22 2025  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 21 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 5:51 PM 100 1874 87 -13 78  
MINIMUM 66 8:23 AM 53 1908 71 -5 59  
AVERAGE 70 79 -9 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.46 2018 0.10 -0.09 0.00  
MONTH TO DATE 0.20 2.18 -1.98 3.65  
SINCE JUN 1 9.22 10.71 -1.49 9.62  
SINCE JAN 1 27.26 26.84 0.42 28.16  
 
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 8 4 4 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 5 14 -9 4  
MONTH TO DATE 256 316 -60 320  
SINCE JUN 1 1178 1155 23 1359  
SINCE JAN 1 1379 1322 57 1584    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 3:00 AM  
LOWEST 68 5:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 99 1983  
MINIMUM TEMPERATURE (F) 71 51 1923  
 
SUNRISE AND SUNSET  
AUGUST 22 2025........SUNRISE 6:28 AM EDT SUNSET 7:53 PM EDT  
AUGUST 23 2025........SUNRISE 6:29 AM EDT SUNSET 7:51 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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