002  
CDUS41 KLWX 190522  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1222 AM EST MON DEC 19 2022  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 18 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 45 2:10 PM 74 2006 48 -3 56  
MINIMUM 32 11:59 PM 10 1919 34 -2 50  
1926  
AVERAGE 39 41 -2 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.81 1977 0.12 -0.12 T  
MONTH TO DATE 2.41 2.08 0.33 0.17  
SINCE DEC 1 2.41 2.08 0.33 0.17  
SINCE JAN 1 42.06 40.49 1.57 43.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 1916 0.0 0.0 0.0  
1945  
MONTH TO DATE 0.0 0.8 -0.8 0.0  
SINCE DEC 1 0.0 0.8 -0.8 0.0  
SINCE JUL 1 T 0.9 -0.9 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 24 2 12  
MONTH TO DATE 392 396 -4 288  
SINCE DEC 1 392 396 -4 288  
SINCE JUL 1 1005 1042 -37 846  
 
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 23 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 10.6  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 2:00 AM  
LOWEST 38 2:00 PM  
AVERAGE 49  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 48 74 1924  
MINIMUM TEMPERATURE (F) 34 6 1884  
 
SUNRISE AND SUNSET  
DECEMBER 19 2022......SUNRISE 7:22 AM EST SUNSET 4:49 PM EST  
DECEMBER 20 2022......SUNRISE 7:22 AM EST SUNSET 4:49 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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