684  
CDUS41 KLWX 120523  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
123 AM EDT SAT OCT 12 2024  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 11 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 71 4:07 PM 90 1919 71 0 73  
MINIMUM 48 6:29 AM 33 1906 54 -6 50  
AVERAGE 60 63 -3 62  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.76 2013 0.11 -0.11 0.00  
MONTH TO DATE 1.48 1.30 0.18 0.07  
SINCE SEP 1 3.79 5.23 -1.44 3.67  
SINCE JAN 1 32.88 33.14 -0.26 26.16  
 
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 5 4 1 3  
MONTH TO DATE 15 34 -19 28  
SINCE SEP 1 15 50 -35 37  
SINCE JUL 1 15 50 -35 37  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 32 30 2 50  
SINCE SEP 1 265 268 -3 319  
SINCE JAN 1 1980 1720 260 1656    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 3:00 AM  
LOWEST 32 5:00 PM  
AVERAGE 52  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 89 1962  
MINIMUM TEMPERATURE (F) 54 31 1906  
 
SUNRISE AND SUNSET  
OCTOBER 12 2024.......SUNRISE 7:15 AM EDT SUNSET 6:33 PM EDT  
OCTOBER 13 2024.......SUNRISE 7:16 AM EDT SUNSET 6:32 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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