473  
CDUS41 KLWX 040529  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1229 AM EST SAT JAN 04 2025  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 3 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 46 1:55 PM 69 2023 45 1 48  
MINIMUM 31 11:59 PM -3 1877 31 0 34  
AVERAGE 39 38 1 41  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.87 1914 0.10 -0.06 0.00  
MONTH TO DATE 0.04 0.28 -0.24 T  
SINCE DEC 1 2.92 3.69 -0.77 6.43  
SINCE JAN 1 0.04 0.28 -0.24 T  
 
SNOWFALL (IN)  
YESTERDAY T 6.9 2022 0.1 -0.1 0.0  
MONTH TO DATE T 0.3 -0.3 T  
SINCE DEC 1 0.1 2.0 -1.9 0.1  
SINCE JUL 1 0.1 2.1 -2.0 0.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 26 27 -1 24  
MONTH TO DATE 69 80 -11 73  
SINCE DEC 1 777 804 -27 670  
SINCE JUL 1 1200 1450 -250 1259  
 
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 31 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
SNOW  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 3:00 PM  
LOWEST 44 12:00 AM  
AVERAGE 62  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 73 1997  
MINIMUM TEMPERATURE (F) 31 -3 1877  
 
SUNRISE AND SUNSET  
JANUARY 4 2025.......SUNRISE 7:27 AM EST SUNSET 5:00 PM EST  
JANUARY 5 2025.......SUNRISE 7:27 AM EST SUNSET 5:01 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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