084  
CDUS41 KLWX 160525  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1225 AM EST FRI DEC 16 2022  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 15 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 48 10:13 PM 71 1971 49 -1 59  
MINIMUM 34 6:51 AM 6 1904 35 -1 35  
AVERAGE 41 42 -1 47  
 
PRECIPITATION (IN)  
YESTERDAY 1.88 2.55 2018 0.11 1.77 0.00  
MONTH TO DATE 2.41 1.74 0.67 0.17  
SINCE DEC 1 2.41 1.74 0.67 0.17  
SINCE JAN 1 42.06 40.15 1.91 43.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.5 1905 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.7 -0.7 0.0  
SINCE DEC 1 0.0 0.7 -0.7 0.0  
SINCE JUL 1 T 0.8 -0.8 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 23 1 18  
MONTH TO DATE 326 324 2 263  
SINCE DEC 1 326 324 2 263  
SINCE JUL 1 939 970 -31 821  
 
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 18 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 9.6  
 
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 52 12:00 AM  
AVERAGE 75  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 74 1971  
MINIMUM TEMPERATURE (F) 34 10 1917  
 
SUNRISE AND SUNSET  
DECEMBER 16 2022......SUNRISE 7:20 AM EST SUNSET 4:48 PM EST  
DECEMBER 17 2022......SUNRISE 7:21 AM EST SUNSET 4:48 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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