625  
CDUS41 KLWX 290633  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
233 AM EDT FRI AUG 29 2025  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 28 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 83 4:15 PM 101 2024 86 -3 101  
MINIMUM 62 1:43 AM 50 1874 70 -8 75  
AVERAGE 73 78 -5 88  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.09 1914 0.11 -0.11 0.00  
MONTH TO DATE 0.20 2.94 -2.74 3.77  
SINCE JUN 1 9.22 11.47 -2.25 9.74  
SINCE JAN 1 27.26 27.60 -0.34 28.28  
 
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 8 13 -5 23  
MONTH TO DATE 324 410 -86 412  
SINCE JUN 1 1246 1249 -3 1451  
SINCE JAN 1 1447 1416 31 1676    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 12:00 AM  
LOWEST 24 5:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 98 1953  
1973  
MINIMUM TEMPERATURE (F) 69 49 1986  
 
SUNRISE AND SUNSET  
AUGUST 29 2025........SUNRISE 6:35 AM EDT SUNSET 7:42 PM EDT  
AUGUST 30 2025........SUNRISE 6:36 AM EDT SUNSET 7:41 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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