177  
CDUS41 KLWX 240525  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
125 AM EDT TUE SEP 24 2024  
   
...............................  
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 23 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 70 12:12 PM 98 1895 78 -8 65  
MINIMUM 64 11:59 PM 36 1904 62 2 59  
AVERAGE 67 70 -3 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 2.40 1907 0.12 -0.03 1.36  
MONTH TO DATE 0.86 3.02 -2.16 2.77  
SINCE SEP 1 0.86 3.02 -2.16 2.77  
SINCE JAN 1 29.95 30.93 -0.98 25.26  
 
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 3  
MONTH TO DATE 0 4 -4 3  
SINCE SEP 1 0 4 -4 3  
SINCE JUL 1 0 4 -4 3  
 
COOLING  
YESTERDAY 2 6 -4 0  
MONTH TO DATE 181 206 -25 258  
SINCE SEP 1 181 206 -25 258  
SINCE JAN 1 1896 1658 238 1595    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 7:00 PM  
LOWEST 71 12:00 PM  
AVERAGE 81  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 99 2010  
MINIMUM TEMPERATURE (F) 61 39 1963  
 
SUNRISE AND SUNSET  
SEPTEMBER 24 2024.....SUNRISE 6:58 AM EDT SUNSET 7:01 PM EDT  
SEPTEMBER 25 2024.....SUNRISE 6:59 AM EDT SUNSET 6:59 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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