325  
CDUS41 KLWX 011228  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
728 AM EST MON JAN 01 2024  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR DECEMBER 31 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 51 1:20 PM 70 1965 46 5 57  
MINIMUM 40 6:03 AM -13 1880 32 8 41  
AVERAGE 46 39 7 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.68 1975 0.09 -0.09 0.18  
MONTH TO DATE 6.43 3.41 3.02 3.86  
SINCE DEC 1 6.43 3.41 3.02 3.86  
SINCE JAN 1 35.68 41.82 -6.14 43.51  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.9 1970 0.1 -0.1 0.0  
MONTH TO DATE 0.1 1.7 -1.6 T  
SINCE DEC 1 0.1 1.7 -1.6 T  
SINCE JUL 1 0.1 1.8 -1.7 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 26 -7 16  
MONTH TO DATE 597 724 -127 766  
SINCE DEC 1 597 724 -127 766  
SINCE JUL 1 1186 1370 -184 1379  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1710 1737 -27 1793    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.3  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 65 10:00 PM  
LOWEST 44 1:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 69 2005  
MINIMUM TEMPERATURE (F) 32 -14 1881  
 
SUNRISE AND SUNSET  
JANUARY 1 2024.......SUNRISE 7:27 AM EST SUNSET 4:57 PM EST  
JANUARY 2 2024.......SUNRISE 7:27 AM EST SUNSET 4:58 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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