637  
CDUS41 KLWX 182124  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT TUE APR 18 2023  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR APRIL 18 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 75 3:07 PM 95 1976 69 6 48  
MINIMUM 47 5:03 AM 25 1875 49 -2 40  
AVERAGE 61 59 2 44  
 
PRECIPITATION (IN)  
TODAY 0.00 1.40 1924 0.11 -0.11 0.91  
MONTH TO DATE 0.83 1.86 -1.03 3.72  
SINCE MAR 1 2.43 5.36 -2.93 6.49  
SINCE JAN 1 6.16 10.84 -4.68 12.50  
 
SNOWFALL (IN)  
TODAY 0.0 T 1926 0.0 0.0 0.0  
2001  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE MAR 1 T 2.0 -2.0 0.9  
SINCE JUL 1 0.4 13.7 -13.3 13.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 4 7 -3 21  
MONTH TO DATE 82 174 -92 175  
SINCE MAR 1 569 718 -149 622  
SINCE JUL 1 3061 3641 -580 3267  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 50 12 38 20  
SINCE MAR 1 52 15 37 24  
SINCE JAN 1 52 15 37 24    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 6:00 AM  
LOWEST 14 2:00 PM  
AVERAGE 43  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 93 1976  
MINIMUM TEMPERATURE (F) 50 22 1875  
 
SUNRISE AND SUNSET  
APRIL 18 2023.........SUNRISE 6:28 AM EDT SUNSET 7:48 PM EDT  
APRIL 19 2023.........SUNRISE 6:26 AM EDT SUNSET 7:49 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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