465  
CDUS41 KLWX 010626  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
226 AM EDT MON SEP 01 2025  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 31 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 81 3:10 PM 100 1932 86 -5 82  
1953  
MINIMUM 58 6:04 AM 49 1934 69 -11 72  
AVERAGE 70 77 -7 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.98 1940 0.10 -0.10 0.01  
MONTH TO DATE 0.20 3.25 -3.05 4.58  
SINCE JUN 1 9.22 11.78 -2.56 10.55  
SINCE JAN 1 27.26 27.91 -0.65 29.09  
 
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 12 -7 12  
MONTH TO DATE 342 446 -104 451  
SINCE JUN 1 1264 1285 -21 1490  
SINCE JAN 1 1465 1452 13 1715    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 5:00 AM  
LOWEST 30 3:00 PM  
AVERAGE 57  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 99 1953  
1980  
MINIMUM TEMPERATURE (F) 69 50 1890  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2025.....SUNRISE 6:37 AM EDT SUNSET 7:38 PM EDT  
SEPTEMBER 2 2025.....SUNRISE 6:38 AM EDT SUNSET 7:36 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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