266  
CDUS41 KLWX 152124  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT SUN SEP 15 2024  
   
...............................  
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 15 2024...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 3:12 PM 97 1927 81 3 78  
1930  
MINIMUM 64 5:34 AM 43 1899 65 -1 58  
1902  
AVERAGE 74 73 1 68  
 
PRECIPITATION (IN)  
TODAY 0.00 2.52 1904 0.14 -0.14 0.00  
MONTH TO DATE 0.02 1.95 -1.93 1.30  
SINCE SEP 1 0.02 1.95 -1.93 1.30  
SINCE JAN 1 29.11 29.86 -0.75 23.79  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 9 8 1 3  
MONTH TO DATE 112 152 -40 222  
SINCE SEP 1 112 152 -40 222  
SINCE JAN 1 1827 1604 223 1559    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 4:00 AM  
LOWEST 41 4:00 PM  
AVERAGE 63  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 96 1991  
MINIMUM TEMPERATURE (F) 64 44 1902  
 
SUNRISE AND SUNSET  
SEPTEMBER 15 2024.....SUNRISE 6:50 AM EDT SUNSET 7:15 PM EDT  
SEPTEMBER 16 2024.....SUNRISE 6:51 AM EDT SUNSET 7:14 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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