982  
CDUS41 KLWX 090521  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
121 AM EDT MON OCT 09 2023  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 8 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 2:34 PM 91 2007 72 -8 62  
MINIMUM 47 5:56 AM 36 1935 55 -8 46  
1964  
AVERAGE 56 64 -8 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.67 2005 0.12 -0.12 0.00  
MONTH TO DATE 0.07 0.96 -0.89 1.75  
SINCE SEP 1 3.67 4.89 -1.22 4.02  
SINCE JAN 1 26.16 32.80 -6.64 35.97  
 
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 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 9 4 5 11  
MONTH TO DATE 12 22 -10 53  
SINCE SEP 1 21 38 -17 70  
SINCE JUL 1 21 38 -17 70  
 
COOLING  
YESTERDAY 0 2 -2 0  
MONTH TO DATE 50 24 26 4  
SINCE SEP 1 319 262 57 262  
SINCE JAN 1 1685 1714 -29 1770    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 6:00 AM  
LOWEST 30 3:00 PM  
AVERAGE 52  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 94 2007  
MINIMUM TEMPERATURE (F) 55 34 1889  
 
SUNRISE AND SUNSET  
OCTOBER 9 2023.......SUNRISE 7:11 AM EDT SUNSET 6:39 PM EDT  
OCTOBER 10 2023.......SUNRISE 7:12 AM EDT SUNSET 6:37 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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