948  
CDUS41 KLWX 310520  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1220 AM EST WED JAN 31 2024  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 30 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 44 1:58 PM 77 2002 45 -1 61  
MINIMUM 39 9:58 PM -6 1873 30 9 41  
AVERAGE 42 38 4 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.97 1939 0.09 -0.09 0.00  
MONTH TO DATE 5.88 2.77 3.11 1.48  
SINCE DEC 1 12.31 6.18 6.13 5.34  
SINCE JAN 1 5.88 2.77 3.11 1.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 11.5 1930 0.2 -0.2 0.0  
MONTH TO DATE 7.8 4.7 3.1 T  
SINCE DEC 1 7.9 6.4 1.5 T  
SINCE JUL 1 7.9 6.5 1.4 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 28 -5 14  
MONTH TO DATE 751 830 -79 591  
SINCE DEC 1 1348 1554 -206 1357  
SINCE JUL 1 1937 2200 -263 1970  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE DEC 1 1 0 1 0  
SINCE JAN 1 1 0 1 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 7.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67 11:00 PM  
LOWEST 59 12:00 AM  
AVERAGE 63  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 71 1916  
MINIMUM TEMPERATURE (F) 30 -2 1905  
 
SUNRISE AND SUNSET  
JANUARY 31 2024.......SUNRISE 7:15 AM EST SUNSET 5:28 PM EST  
FEBRUARY 1 2024......SUNRISE 7:15 AM EST SUNSET 5:29 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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