482  
CDUS41 KLWX 010531  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1231 AM EST MON JAN 01 2024  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 1 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 69 2005 46 5 66  
MINIMUM 40 6:03 AM -14 1881 32 8 53  
AVERAGE 46 38 8 60  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.52 2003 0.09 -0.09 0.44  
MONTH TO DATE 0.00 0.09 -0.09 0.44  
SINCE DEC 1 3.86 3.50 0.36 1.07  
SINCE JAN 1 0.00 0.09 -0.09 0.44  
 
SNOWFALL (IN)  
YESTERDAY 0.0 4.5 1899 0.1 -0.1 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE DEC 1 T 1.8 -1.8 0.0  
SINCE JUL 1 T 1.9 -1.9 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 26 -7 5  
MONTH TO DATE 19 26 -7 5  
SINCE DEC 1 785 750 35 537  
SINCE JUL 1 1398 1396 2 1095  
 
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 10 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 59 5:00 PM  
AVERAGE 80  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 71 1876  
MINIMUM TEMPERATURE (F) 31 -1 1899  
 
SUNRISE AND SUNSET  
JANUARY 2 2023.......SUNRISE 7:27 AM EST SUNSET 4:58 PM EST  
JANUARY 3 2023.......SUNRISE 7:27 AM EST SUNSET 4:59 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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