088  
CDUS41 KLWX 210538  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1238 AM EST SAT JAN 21 2023  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 20 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 52 2:42 PM 70 1951 45 7 46  
MINIMUM 41 11:59 PM -2 1985 30 11 27  
AVERAGE 47 37 10 37  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.77 1937 0.09 -0.09 0.28  
MONTH TO DATE 0.56 1.86 -1.30 3.56  
SINCE DEC 1 4.42 5.27 -0.85 4.19  
SINCE JAN 1 0.56 1.86 -1.30 3.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.8 1975 0.2 -0.2 T  
MONTH TO DATE T 2.8 -2.8 12.1  
SINCE DEC 1 T 4.5 -4.5 12.1  
SINCE JUL 1 T 4.6 -4.6 12.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 28 -10 28  
MONTH TO DATE 367 550 -183 557  
SINCE DEC 1 1133 1274 -141 1089  
SINCE JUL 1 1746 1920 -174 1647  
 
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 28 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 12.0  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 12:00 AM  
LOWEST 39 2:00 PM  
AVERAGE 68  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 70 1959  
MINIMUM TEMPERATURE (F) 30 -4 1985  
 
SUNRISE AND SUNSET  
JANUARY 21 2023.......SUNRISE 7:22 AM EST SUNSET 5:17 PM EST  
JANUARY 22 2023.......SUNRISE 7:22 AM EST SUNSET 5:18 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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