771  
CDUS41 KLWX 220524  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1224 AM EST FRI DEC 22 2023  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 21 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 48 2:27 PM 72 2013 47 1 47  
MINIMUM 32 7:55 AM 4 1942 34 -2 27  
AVERAGE 40 40 0 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.38 1905 0.11 -0.11 0.00  
MONTH TO DATE 5.07 2.40 2.67 2.41  
SINCE DEC 1 5.07 2.40 2.67 2.41  
SINCE JAN 1 34.32 40.81 -6.49 42.06  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.3 1962 0.1 -0.1 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  
YESTERDAY 25 24 1 28  
MONTH TO DATE 425 468 -43 478  
SINCE DEC 1 425 468 -43 478  
SINCE JUL 1 1014 1114 -100 1091  
 
COOLING  
YESTERDAY 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 14 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 3:00 AM  
LOWEST 37 1:00 PM  
AVERAGE 56  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 72 1889  
2013  
MINIMUM TEMPERATURE (F) 33 3 1872  
 
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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