848  
CDUS41 KLWX 230523  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1223 AM EST SAT DEC 23 2023  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 22 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 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)  
YESTERDAY 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)  
YESTERDAY 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  
YESTERDAY 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  
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 13 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
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 TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 71 1875  
1990  
MINIMUM TEMPERATURE (F) 33 7 1989  
 
SUNRISE AND SUNSET  
DECEMBER 23 2023......SUNRISE 7:24 AM EST SUNSET 4:51 PM EST  
DECEMBER 24 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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