013  
CDUS41 KLWX 230521  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
121 AM EDT MON SEP 23 2024  
   
...............................  
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 22 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 2:23 PM 98 1895 79 -2 75  
MINIMUM 67 3:36 AM 39 1904 62 5 61  
AVERAGE 72 70 2 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.32 1.53 1994 0.12 0.20 0.07  
MONTH TO DATE 0.77 2.90 -2.13 1.41  
SINCE SEP 1 0.77 2.90 -2.13 1.41  
SINCE JAN 1 29.86 30.81 -0.95 23.90  
 
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 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 3 -3 0  
SINCE SEP 1 0 3 -3 0  
SINCE JUL 1 0 3 -3 0  
 
COOLING  
YESTERDAY 7 6 1 3  
MONTH TO DATE 179 200 -21 258  
SINCE SEP 1 179 200 -21 258  
SINCE JAN 1 1894 1652 242 1595    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 3:00 AM  
LOWEST 64 3:00 PM  
AVERAGE 77  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 98 1895  
MINIMUM TEMPERATURE (F) 62 36 1904  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2024.....SUNRISE 6:57 AM EDT SUNSET 7:03 PM EDT  
SEPTEMBER 24 2024.....SUNRISE 6:58 AM EDT SUNSET 7:01 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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