307  
CDUS41 KLWX 260526  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
126 AM EDT TUE SEP 26 2023  
   
...............................
 
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 25 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 70 3:11 PM 95 1930 77 -7 81  
MINIMUM 61 11:59 PM 39 1963 61 0 59  
AVERAGE 66 69 -3 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 3.46 1975 0.12 -0.11 0.01  
MONTH TO DATE 3.55 3.27 0.28 1.95  
SINCE SEP 1 3.55 3.27 0.28 1.95  
SINCE JAN 1 26.04 31.18 -5.14 33.90  
 
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 SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 3 6 -3 7  
SINCE SEP 1 3 6 -3 7  
SINCE JUL 1 3 6 -3 7  
 
COOLING  
YESTERDAY 1 5 -4 5  
MONTH TO DATE 261 216 45 252  
SINCE SEP 1 261 216 45 252  
SINCE JAN 1 1627 1668 -41 1760    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 PM  
LOWEST 68 12:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 96 1930  
MINIMUM TEMPERATURE (F) 60 38 1879  
 
SUNRISE AND SUNSET  
SEPTEMBER 26 2023.....SUNRISE 6:59 AM EDT SUNSET 6:59 PM EDT  
SEPTEMBER 27 2023.....SUNRISE 7:00 AM EDT SUNSET 6:57 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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