552  
CDUS41 KLWX 100534  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1234 AM EST WED JAN 10 2024  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 9 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 59 9:42 PM 76 1937 45 14 51  
MINIMUM 39 1:32 AM 4 1970 30 9 36  
AVERAGE 49 38 11 44  
 
PRECIPITATION (IN)  
YESTERDAY 2.24R 1.87 1879 0.09 2.15 T  
MONTH TO DATE 3.26 0.84 2.42 0.01  
SINCE DEC 1 9.69 4.25 5.44 3.87  
SINCE JAN 1 3.26 0.84 2.42 0.01  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.9 1926 0.1 -0.1 0.0  
MONTH TO DATE T 0.9 -0.9 T  
SINCE DEC 1 0.1 2.6 -2.5 T  
SINCE JUL 1 0.1 2.7 -2.6 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 27 -11 21  
MONTH TO DATE 215 242 -27 136  
SINCE DEC 1 812 966 -154 902  
SINCE JUL 1 1401 1612 -211 1515  
 
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 36 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 52 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 13.8  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 7:00 PM  
LOWEST 70 12:00 AM  
AVERAGE 83  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 70 1950  
MINIMUM TEMPERATURE (F) 30 -3 1875  
 
SUNRISE AND SUNSET  
JANUARY 10 2024.......SUNRISE 7:26 AM EST SUNSET 5:05 PM EST  
JANUARY 11 2024.......SUNRISE 7:26 AM EST SUNSET 5:06 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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