582  
CDUS41 KLWX 300522  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1222 AM EST TUE JAN 30 2024  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 29 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 48 3:43 PM 76 1975 45 3 50  
MINIMUM 41 11:59 PM 2 1873 30 11 40  
AVERAGE 45 37 8 45  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.02 1912 0.09 -0.09 0.03  
MONTH TO DATE 5.88 2.68 3.20 1.48  
SINCE DEC 1 12.31 6.09 6.22 5.34  
SINCE JAN 1 5.88 2.68 3.20 1.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 12.0 1966 0.2 -0.2 0.0  
MONTH TO DATE 7.8 4.5 3.3 T  
SINCE DEC 1 7.9 6.2 1.7 T  
SINCE JUL 1 7.9 6.3 1.6 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 28 -8 20  
MONTH TO DATE 728 802 -74 577  
SINCE DEC 1 1325 1526 -201 1343  
SINCE JUL 1 1914 2172 -258 1956  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE DEC 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 15.6  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 12:00 AM  
LOWEST 49 4:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 77 2002  
MINIMUM TEMPERATURE (F) 30 -6 1873  
 
SUNRISE AND SUNSET  
JANUARY 30 2024.......SUNRISE 7:16 AM EST SUNSET 5:27 PM EST  
JANUARY 31 2024.......SUNRISE 7:15 AM EST SUNSET 5:28 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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