013  
CDUS41 KLWX 172127  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
427 PM EST SAT DEC 17 2022  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 17 2022
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 50 1:57 PM 65 2021 48 2 65  
MINIMUM 36 2:04 AM 10 1876 34 2 54  
AVERAGE 43 41 2 60  
 
PRECIPITATION (IN)  
TODAY 0.00 2.43 1888 0.11 -0.11 T  
MONTH TO DATE 2.41 1.96 0.45 0.17  
SINCE DEC 1 2.41 1.96 0.45 0.17  
SINCE JAN 1 42.06 40.37 1.69 43.63  
 
SNOWFALL (IN)  
TODAY 0.0 11.5 1932 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.8 -0.8 0.0  
SINCE DEC 1 0.0 0.8 -0.8 0.0  
SINCE JUL 1 T 0.9 -0.9 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 22 24 -2 5  
MONTH TO DATE 366 372 -6 276  
SINCE DEC 1 366 372 -6 276  
SINCE JUL 1 979 1018 -39 834  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1793 1737 56 1875    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (250)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 2:00 AM  
LOWEST 34 3:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 74 2006  
MINIMUM TEMPERATURE (F) 34 10 1919  
1926  
 
SUNRISE AND SUNSET  
DECEMBER 17 2022......SUNRISE 7:21 AM EST SUNSET 4:48 PM EST  
DECEMBER 18 2022......SUNRISE 7:21 AM EST SUNSET 4:48 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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