973  
CDUS41 KLWX 120536  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1236 AM EST FRI JAN 12 2024  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 11 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 52 4:17 PM 75 1975 45 7 47  
MINIMUM 33 7:52 AM 2 1982 30 3 32  
AVERAGE 43 37 6 40  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.72 1922 0.10 -0.10 0.02  
MONTH TO DATE 3.26 1.03 2.23 0.03  
SINCE DEC 1 9.69 4.44 5.25 3.89  
SINCE JAN 1 3.26 1.03 2.23 0.03  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.3 1904 0.2 -0.2 0.0  
MONTH TO DATE T 1.2 -1.2 T  
SINCE DEC 1 0.1 2.9 -2.8 T  
SINCE JUL 1 0.1 3.0 -2.9 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 28 -6 25  
MONTH TO DATE 253 298 -45 185  
SINCE DEC 1 850 1022 -172 951  
SINCE JUL 1 1439 1668 -229 1564  
 
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 15 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 6:00 AM  
LOWEST 43 3:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 76 1890  
MINIMUM TEMPERATURE (F) 30 3 1886  
 
SUNRISE AND SUNSET  
JANUARY 12 2024.......SUNRISE 7:26 AM EST SUNSET 5:07 PM EST  
JANUARY 13 2024.......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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