283  
CDUS41 KLWX 092140  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
440 PM EST FRI DEC 09 2022  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 9 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 3:12 PM 71 1991 50 0 44  
MINIMUM 39 7:41 AM 4 1876 36 3 31  
AVERAGE 45 43 2 38  
 
PRECIPITATION (IN)  
TODAY 0.00 1.29 2009 0.12 -0.12 0.00  
MONTH TO DATE 0.53 1.04 -0.51 T  
SINCE DEC 1 0.53 1.04 -0.51 T  
SINCE JAN 1 40.18 39.45 0.73 43.46  
 
SNOWFALL (IN)  
TODAY MM 1.6 2005 0.1 MM 0.0  
MONTH TO DATE 0.0 0.4 -0.4 0.0  
SINCE DEC 1 0.0 0.4 -0.4 0.0  
SINCE JUL 1 T 0.5 -0.5 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
TODAY 20 22 -2 27  
MONTH TO DATE 173 188 -15 160  
SINCE DEC 1 173 188 -15 160  
SINCE JUL 1 786 834 -48 718  
 
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 15 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 7:00 AM  
LOWEST 44 2:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 67 1939  
1966  
MINIMUM TEMPERATURE (F) 36 4 1876  
 
SUNRISE AND SUNSET  
DECEMBER 9 2022......SUNRISE 7:15 AM EST SUNSET 4:46 PM EST  
DECEMBER 10 2022......SUNRISE 7:16 AM EST SUNSET 4:46 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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