081  
CDUS41 KLWX 110523  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1223 AM EST SAT JAN 11 2025  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 10 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 36 12:41 PM 70 1950 45 -9 57  
MINIMUM 25 8:13 AM -3 1875 30 -5 41  
AVERAGE 31 38 -7 49  
 
PRECIPITATION (IN)  
YESTERDAY T 0.81 1878 0.09 -0.09 T  
1965  
MONTH TO DATE 0.85 0.93 -0.08 3.26  
SINCE DEC 1 3.73 4.34 -0.61 9.69  
SINCE JAN 1 0.85 0.93 -0.08 3.26  
 
SNOWFALL (IN)  
YESTERDAY T 3.8 1965 0.1 -0.1 0.0  
MONTH TO DATE 7.2 1.0 6.2 T  
SINCE DEC 1 7.3 2.7 4.6 0.1  
SINCE JUL 1 7.3 2.8 4.5 0.1  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 34 28 6 16  
MONTH TO DATE 313 270 43 231  
SINCE DEC 1 1021 994 27 828  
SINCE JUL 1 1444 1640 -196 1417  
 
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 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 58 11:00 PM  
LOWEST 34 12:00 PM  
AVERAGE 46  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 75 1975  
MINIMUM TEMPERATURE (F) 30 2 1982  
 
SUNRISE AND SUNSET  
JANUARY 11 2025.......SUNRISE 7:26 AM EST SUNSET 5:07 PM EST  
JANUARY 12 2025.......SUNRISE 7:26 AM EST SUNSET 5:08 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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