348  
CDUS41 KLWX 200539  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1239 AM EST FRI JAN 20 2023  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 19 2023  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 47 2:15 PM 71 1951 44 3 55  
MINIMUM 42 5:46 AM -4 1994 30 12 30  
AVERAGE 45 37 8 43  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.41 1936 0.09 0.00 0.03  
MONTH TO DATE 0.56 1.77 -1.21 3.28  
SINCE DEC 1 4.42 5.18 -0.76 3.91  
SINCE JAN 1 0.56 1.77 -1.21 3.28  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.0 1961 0.2 -0.2 0.0  
MONTH TO DATE T 2.6 -2.6 12.1  
SINCE DEC 1 T 4.3 -4.3 12.1  
SINCE JUL 1 T 4.4 -4.4 12.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 28 -8 22  
MONTH TO DATE 349 522 -173 529  
SINCE DEC 1 1115 1246 -131 1061  
SINCE JUL 1 1728 1892 -164 1619  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 3.3  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 11:00 PM  
LOWEST 65 1:00 AM  
AVERAGE 81  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 70 1951  
MINIMUM TEMPERATURE (F) 30 -2 1985  
 
SUNRISE AND SUNSET  
JANUARY 20 2023.......SUNRISE 7:23 AM EST SUNSET 5:16 PM EST  
JANUARY 21 2023.......SUNRISE 7:22 AM EST SUNSET 5:17 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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