069  
CDUS41 KLWX 280525  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1225 AM EST THU DEC 28 2023  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 27 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 56 5:08 PM 72 1971 46 10 44  
MINIMUM 46 3:27 AM 2 1914 32 14 29  
AVERAGE 51 39 12 37  
 
PRECIPITATION (IN)  
YESTERDAY 1.20R 1.16 1894 0.10 1.10 0.00  
MONTH TO DATE 6.39 3.02 3.37 3.68  
SINCE DEC 1 6.39 3.02 3.37 3.68  
SINCE JAN 1 35.64 41.43 -5.79 43.33  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.3 1939 0.1 -0.1 0.0  
MONTH TO DATE 0.1 1.4 -1.3 T  
SINCE DEC 1 0.1 1.4 -1.3 T  
SINCE JUL 1 0.1 1.5 -1.4 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 14 26 -12 28  
MONTH TO DATE 533 620 -87 685  
SINCE DEC 1 533 620 -87 685  
SINCE JUL 1 1122 1266 -144 1298  
 
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 15 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 5:00 PM  
LOWEST 93 12:00 AM  
AVERAGE 95  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 75 1946  
MINIMUM TEMPERATURE (F) 32 10 1914  
 
SUNRISE AND SUNSET  
DECEMBER 28 2023......SUNRISE 7:26 AM EST SUNSET 4:54 PM EST  
DECEMBER 29 2023......SUNRISE 7:26 AM EST SUNSET 4:54 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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