802  
CDUS41 KLWX 290525  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
125 AM EDT SUN SEP 29 2024  
   
...............................  
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 28 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 85 3:32 PM 91 1886 76 9 70  
MINIMUM 72 11:59 PM 42 1897 60 12 55  
1918  
1947  
AVERAGE 79 68 11 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 2.46 2004 0.13 -0.06 T  
MONTH TO DATE 2.18 3.66 -1.48 3.60  
SINCE SEP 1 2.18 3.66 -1.48 3.60  
SINCE JAN 1 31.27 31.57 -0.30 26.09  
 
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 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 2 -2 2  
MONTH TO DATE 0 10 -10 9  
SINCE SEP 1 0 10 -10 9  
SINCE JUL 1 0 10 -10 9  
 
COOLING  
YESTERDAY 14 4 10 0  
MONTH TO DATE 226 230 -4 261  
SINCE SEP 1 226 230 -4 261  
SINCE JAN 1 1941 1682 259 1598    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 4:00 AM  
LOWEST 48 4:00 PM  
AVERAGE 71  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 93 1954  
MINIMUM TEMPERATURE (F) 59 40 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 29 2024.....SUNRISE 7:03 AM EDT SUNSET 6:53 PM EDT  
SEPTEMBER 30 2024.....SUNRISE 7:04 AM EDT SUNSET 6:52 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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