650  
CDUS41 KLWX 300712  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
212 AM EST FRI DEC 30 2022  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 29 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 54 3:36 PM 75 1984 46 8 55  
MINIMUM 30 7:40 AM 2 1880 32 -2 47  
1917  
AVERAGE 42 39 3 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.57 1901 0.10 -0.10 0.12  
MONTH TO DATE 3.68 3.22 0.46 0.45  
SINCE DEC 1 3.68 3.22 0.46 0.45  
SINCE JAN 1 43.33 41.63 1.70 43.91  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.0 1935 0.1 -0.1 0.0  
MONTH TO DATE T 1.5 -1.5 0.0  
SINCE DEC 1 T 1.5 -1.5 0.0  
SINCE JUL 1 T 1.6 -1.6 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 26 -3 14  
MONTH TO DATE 734 672 62 508  
SINCE DEC 1 734 672 62 508  
SINCE JUL 1 1347 1318 29 1066  
 
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 S (170)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 7:00 AM  
LOWEST 41 2:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 70 1990  
MINIMUM TEMPERATURE (F) 32 -7 1880  
 
SUNRISE AND SUNSET  
DECEMBER 30 2022......SUNRISE 7:26 AM EST SUNSET 4:55 PM EST  
DECEMBER 31 2022......SUNRISE 7:26 AM EST SUNSET 4:56 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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