618  
CDUS41 KLWX 050526  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1226 AM EST SUN JAN 05 2025  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 4 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 34 2:18 PM 73 1997 45 -11 47  
MINIMUM 26 11:59 PM -3 1877 31 -5 32  
AVERAGE 30 38 -8 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.28 1886 0.09 -0.09 0.00  
MONTH TO DATE 0.04 0.37 -0.33 T  
SINCE DEC 1 2.92 3.78 -0.86 6.43  
SINCE JAN 1 0.04 0.37 -0.33 T  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.1 1980 0.1 -0.1 0.0  
MONTH TO DATE T 0.4 -0.4 T  
SINCE DEC 1 0.1 2.1 -2.0 0.1  
SINCE JUL 1 0.1 2.2 -2.1 0.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 35 27 8 25  
MONTH TO DATE 104 107 -3 98  
SINCE DEC 1 812 831 -19 695  
SINCE JUL 1 1235 1477 -242 1284  
 
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 W (280)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION W (290)  
AVERAGE WIND SPEED 15.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 51 5:00 AM  
LOWEST 32 2:00 PM  
AVERAGE 42  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 71 1997  
MINIMUM TEMPERATURE (F) 31 -3 1877  
 
SUNRISE AND SUNSET  
JANUARY 5 2025.......SUNRISE 7:27 AM EST SUNSET 5:01 PM EST  
JANUARY 6 2025.......SUNRISE 7:27 AM EST SUNSET 5:02 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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