167  
CDUS41 KLWX 280525  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1225 AM EST WED DEC 28 2022  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 27 2022
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 44 2:58 PM 72 1971 46 -2 45  
MINIMUM 29 8:09 AM 2 1914 32 -3 39  
AVERAGE 37 39 -2 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.16 1894 0.10 -0.10 T  
MONTH TO DATE 3.68 3.02 0.66 0.33  
SINCE DEC 1 3.68 3.02 0.66 0.33  
SINCE JAN 1 43.33 41.43 1.90 43.79  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.3 1939 0.1 -0.1 0.0  
MONTH TO DATE T 1.4 -1.4 0.0  
SINCE DEC 1 T 1.4 -1.4 0.0  
SINCE JUL 1 T 1.5 -1.5 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 28 26 2 23  
MONTH TO DATE 685 620 65 478  
SINCE DEC 1 685 620 65 478  
SINCE JUL 1 1298 1266 32 1036  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1793 1737 56 1875    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 11:00 PM  
LOWEST 31 12:00 PM  
AVERAGE 55  
   
......................................................
 
 
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 2022......SUNRISE 7:26 AM EST SUNSET 4:54 PM EST  
DECEMBER 29 2022......SUNRISE 7:26 AM EST SUNSET 4:55 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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