777  
CDUS41 KLWX 200532  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1232 AM EST SAT JAN 20 2024  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 19 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 34 3:39 AM 71 1951 44 -10 47  
MINIMUM 29 11:59 PM -4 1994 30 -1 42  
AVERAGE 32 37 -5 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.28 1.41 1936 0.09 0.19 0.09  
MONTH TO DATE 4.26 1.77 2.49 0.56  
SINCE DEC 1 10.69 5.18 5.51 4.42  
SINCE JAN 1 4.26 1.77 2.49 0.56  
 
SNOWFALL (IN)  
YESTERDAY 3.7 7.0 1961 0.2 3.5 0.0  
MONTH TO DATE 7.8 2.6 5.2 T  
SINCE DEC 1 7.9 4.3 3.6 T  
SINCE JUL 1 7.9 4.4 3.5 T  
SNOW DEPTH 4  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 28 5 20  
MONTH TO DATE 503 522 -19 355  
SINCE DEC 1 1100 1246 -146 1121  
SINCE JUL 1 1689 1892 -203 1734  
 
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 16 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY SNOW  
SNOW  
LIGHT SNOW  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 5:00 AM  
LOWEST 60 11:00 PM  
AVERAGE 76  
   
......................................................  
 
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 2024.......SUNRISE 7:23 AM EST SUNSET 5:15 PM EST  
JANUARY 21 2024.......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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