581  
CDUS41 KLWX 210536  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1236 AM EST SUN JAN 21 2024  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 20 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 29 12:21 AM 70 1951 45 -16 52  
MINIMUM 21 11:59 PM -2 1985 30 -9 41  
AVERAGE 25 37 -12 47  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.77 1937 0.09 -0.09 0.00  
MONTH TO DATE 4.26 1.86 2.40 0.56  
SINCE DEC 1 10.69 5.27 5.42 4.42  
SINCE JAN 1 4.26 1.86 2.40 0.56  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.8 1975 0.2 -0.2 0.0  
MONTH TO DATE 7.8 2.8 5.0 T  
SINCE DEC 1 7.9 4.5 3.4 T  
SINCE JUL 1 7.9 4.6 3.3 T  
SNOW DEPTH 5  
 
DEGREE DAYS  
HEATING  
YESTERDAY 40 28 12 18  
MONTH TO DATE 543 550 -7 373  
SINCE DEC 1 1140 1274 -134 1139  
SINCE JUL 1 1729 1920 -191 1752  
 
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 NW (330)  
HIGHEST GUST SPEED 39 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 1:00 AM  
LOWEST 38 3:00 PM  
AVERAGE 52  
   
......................................................  
 
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 2024.......SUNRISE 7:22 AM EST SUNSET 5:17 PM EST  
JANUARY 22 2024.......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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