639  
CDUS41 KLWX 222127  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
427 PM EST FRI DEC 22 2023  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 22 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 50 2:58 PM 72 1889 47 3 56  
2013  
MINIMUM 36 8:04 AM 3 1872 33 3 33  
AVERAGE 43 40 3 45  
 
PRECIPITATION (IN)  
TODAY 0.00 1.68 1881 0.11 -0.11 1.16  
MONTH TO DATE 5.07 2.51 2.56 3.57  
SINCE DEC 1 5.07 2.51 2.56 3.57  
SINCE JAN 1 34.32 40.92 -6.60 43.22  
 
SNOWFALL (IN)  
TODAY 0.0 8.5 1908 0.0 0.0 0.0  
MONTH TO DATE 0.1 1.0 -0.9 0.0  
SINCE DEC 1 0.1 1.0 -0.9 0.0  
SINCE JUL 1 0.1 1.1 -1.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 22 25 -3 20  
MONTH TO DATE 447 493 -46 498  
SINCE DEC 1 447 493 -46 498  
SINCE JUL 1 1036 1139 -103 1111  
 
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 7 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 2.6  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 7:00 AM  
LOWEST 46 3:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 71 1875  
1990  
MINIMUM TEMPERATURE (F) 33 7 1989  
 
SUNRISE AND SUNSET  
DECEMBER 22 2023......SUNRISE 7:23 AM EST SUNSET 4:50 PM EST  
DECEMBER 23 2023......SUNRISE 7:24 AM EST SUNSET 4:51 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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