821  
CDUS41 KLWX 220527  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1227 AM EST WED JAN 22 2025  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 21 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 24 2:33 PM 70 1959 45 -21 34  
MINIMUM 16 8:13 AM -4 1985 30 -14 21  
AVERAGE 20 37 -17 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.41 1902 0.09 -0.09 0.00  
MONTH TO DATE 1.18 1.95 -0.77 4.26  
SINCE DEC 1 4.06 5.36 -1.30 10.69  
SINCE JAN 1 1.18 1.95 -0.77 4.26  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.8 2014 0.1 -0.1 0.0  
MONTH TO DATE 8.3 2.9 5.4 7.8  
SINCE DEC 1 8.4 4.6 3.8 7.9  
SINCE JUL 1 8.4 4.7 3.7 7.9  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 45 28 17 37  
MONTH TO DATE 670 578 92 580  
SINCE DEC 1 1378 1302 76 1177  
SINCE JUL 1 1801 1948 -147 1766  
 
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 17 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 46 1:00 AM  
LOWEST 34 12:00 PM  
AVERAGE 40  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 45 76 1927  
MINIMUM TEMPERATURE (F) 30 1 1893  
 
SUNRISE AND SUNSET  
JANUARY 22 2025.......SUNRISE 7:21 AM EST SUNSET 5:19 PM EST  
JANUARY 23 2025.......SUNRISE 7:21 AM EST SUNSET 5:20 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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