108  
CDUS41 KLWX 192126  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
426 PM EST TUE DEC 19 2023  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 19 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 44 10:41 AM 74 1924 48 -4 42  
MINIMUM 37 7:38 AM 6 1884 34 3 30  
AVERAGE 41 41 0 36  
 
PRECIPITATION (IN)  
TODAY 0.00 1.34 2009 0.11 -0.11 0.00  
MONTH TO DATE 5.07 2.19 2.88 2.41  
SINCE DEC 1 5.07 2.19 2.88 2.41  
SINCE JAN 1 34.32 40.60 -6.28 42.06  
 
SNOWFALL (IN)  
TODAY 0.0 15.0 2009 0.1 -0.1 0.0  
MONTH TO DATE 0.1 0.9 -0.8 0.0  
SINCE DEC 1 0.1 0.9 -0.8 0.0  
SINCE JUL 1 0.1 1.0 -0.9 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 24 24 0 29  
MONTH TO DATE 371 420 -49 421  
SINCE DEC 1 371 420 -49 421  
SINCE JUL 1 960 1066 -106 1034  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1710 1737 -27 1793    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 13.3  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 54 5:00 AM  
LOWEST 41 3:00 PM  
AVERAGE 48  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 66 1877  
1889  
MINIMUM TEMPERATURE (F) 34 5 1942  
 
SUNRISE AND SUNSET  
DECEMBER 19 2023......SUNRISE 7:22 AM EST SUNSET 4:49 PM EST  
DECEMBER 20 2023......SUNRISE 7:22 AM EST SUNSET 4:49 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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