917  
CDUS41 KLWX 140521  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1221 AM EST WED DEC 14 2022  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 13 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 3:04 PM 71 1889 49 -4 52  
2015  
MINIMUM 31 11:32 PM 11 1960 35 -4 32  
AVERAGE 38 42 -4 42  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.43 1909 0.11 -0.11 0.00  
MONTH TO DATE 0.53 1.51 -0.98 0.17  
SINCE DEC 1 0.53 1.51 -0.98 0.17  
SINCE JAN 1 40.18 39.92 0.26 43.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0 6.7 1966 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.6 -0.6 0.0  
SINCE DEC 1 0.0 0.6 -0.6 0.0  
SINCE JUL 1 T 0.7 -0.7 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 23 4 23  
MONTH TO DATE 273 278 -5 228  
SINCE DEC 1 273 278 -5 228  
SINCE JUL 1 886 924 -38 786  
 
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 17 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 5:00 AM  
LOWEST 35 2:00 PM  
AVERAGE 51  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 49 70 1881  
1929  
1931  
MINIMUM TEMPERATURE (F) 35 6 1904  
 
SUNRISE AND SUNSET  
DECEMBER 14 2022......SUNRISE 7:19 AM EST SUNSET 4:47 PM EST  
DECEMBER 15 2022......SUNRISE 7:19 AM EST SUNSET 4:47 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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