927  
CDUS41 KLWX 310526  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1226 AM EST FRI JAN 31 2025  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 30 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 54 3:01 PM 77 2002 45 9 44  
MINIMUM 33 6:43 AM -6 1873 30 3 39  
AVERAGE 44 38 6 42  
 
PRECIPITATION (IN)  
YESTERDAY T 0.97 1939 0.09 -0.09 0.00  
MONTH TO DATE 1.18 2.77 -1.59 5.88  
SINCE DEC 1 4.06 6.18 -2.12 12.31  
SINCE JAN 1 1.18 2.77 -1.59 5.88  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.5 1930 0.2 -0.2 0.0  
MONTH TO DATE 8.3 4.7 3.6 7.8  
SINCE DEC 1 8.4 6.4 2.0 7.9  
SINCE JUL 1 8.4 6.5 1.9 7.9  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 21 28 -7 23  
MONTH TO DATE 929 830 99 751  
SINCE DEC 1 1637 1554 83 1348  
SINCE JUL 1 2060 2200 -140 1937  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE DEC 1 0 0 0 1  
SINCE JAN 1 0 0 0 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 66 7:00 AM  
LOWEST 25 3:00 PM  
AVERAGE 46  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 71 1916  
MINIMUM TEMPERATURE (F) 30 -2 1905  
 
SUNRISE AND SUNSET  
JANUARY 31 2025.......SUNRISE 7:15 AM EST SUNSET 5:29 PM EST  
FEBRUARY 1 2025......SUNRISE 7:14 AM EST SUNSET 5:30 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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