772  
CDUS41 KLWX 170521  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1221 AM EST TUE JAN 17 2023  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 16 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 56 3:36 PM 73 1953 44 12 40  
MINIMUM 29 4:33 AM 2 1893 30 -1 17  
AVERAGE 43 37 6 29  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.00 1909 0.10 -0.10 0.90  
MONTH TO DATE 0.42 1.50 -1.08 3.23  
SINCE DEC 1 4.28 4.91 -0.63 3.86  
SINCE JAN 1 0.42 1.50 -1.08 3.23  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.6 2022 0.2 -0.2 2.6  
MONTH TO DATE T 2.0 -2.0 12.1  
SINCE DEC 1 T 3.7 -3.7 12.1  
SINCE JUL 1 T 3.8 -3.8 12.1  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 22 28 -6 36  
MONTH TO DATE 291 438 -147 451  
SINCE DEC 1 1057 1162 -105 983  
SINCE JUL 1 1670 1808 -138 1541  
 
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 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 62 11:00 PM  
LOWEST 17 4:00 PM  
AVERAGE 40  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 74 1943  
MINIMUM TEMPERATURE (F) 30 -5 1982  
 
SUNRISE AND SUNSET  
JANUARY 17 2023.......SUNRISE 7:24 AM EST SUNSET 5:12 PM EST  
JANUARY 18 2023.......SUNRISE 7:24 AM EST SUNSET 5:13 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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