531  
CDUS41 KLWX 150525  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1225 AM EST WED JAN 15 2025  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 14 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 39 3:24 PM 76 1932 44 -5 50  
MINIMUM 28 11:59 PM -13 1912 30 -2 31  
AVERAGE 34 37 -3 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.82 2005 0.10 -0.10 T  
MONTH TO DATE 0.92 1.31 -0.39 3.63  
SINCE DEC 1 3.80 4.72 -0.92 10.06  
SINCE JAN 1 0.92 1.31 -0.39 3.63  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.6 1957 0.2 -0.2 T  
MONTH TO DATE 7.9 1.7 6.2 T  
SINCE DEC 1 8.0 3.4 4.6 0.1  
SINCE JUL 1 8.0 3.5 4.5 0.1  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 28 3 24  
MONTH TO DATE 429 382 47 318  
SINCE DEC 1 1137 1106 31 915  
SINCE JUL 1 1560 1752 -192 1504  
 
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 N (340)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 13.4  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 54 12:00 AM  
LOWEST 28 3:00 PM  
AVERAGE 41  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 77 1932  
MINIMUM TEMPERATURE (F) 30 4 1886  
 
SUNRISE AND SUNSET  
JANUARY 15 2025.......SUNRISE 7:25 AM EST SUNSET 5:11 PM EST  
JANUARY 16 2025.......SUNRISE 7:25 AM EST SUNSET 5:12 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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