070  
CDUS41 KLWX 182123  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
523 PM EDT MON AUG 18 2025  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 18 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 77 12:17 AM 98 2002 88 -11 87  
MINIMUM 69 3:59 PM 54 1902 71 -2 73  
AVERAGE 73 79 -6 80  
 
PRECIPITATION (IN)  
TODAY T 1.67 1875 0.10 -0.10 0.00  
MONTH TO DATE 0.04 1.88 -1.84 3.64  
SINCE JUN 1 9.06 10.41 -1.35 9.61  
SINCE JAN 1 27.10 26.54 0.56 28.15  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 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  
TODAY 8 14 -6 15  
MONTH TO DATE 235 274 -39 295  
SINCE JUN 1 1157 1113 44 1334  
SINCE JAN 1 1358 1280 78 1559    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 12.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 4:00 AM  
LOWEST 74 9:00 AM  
AVERAGE 83  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 98 2002  
2019  
MINIMUM TEMPERATURE (F) 71 53 1924  
 
SUNRISE AND SUNSET  
AUGUST 18 2025........SUNRISE 6:25 AM EDT SUNSET 7:58 PM EDT  
AUGUST 19 2025........SUNRISE 6:26 AM EDT SUNSET 7:57 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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