419  
CDUS41 KLWX 182124  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT SUN SEP 18 2022  
   
...............................
 
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 18 2022...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2022  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 84 3:35 PM 91 1898 80 4 85  
1921  
1927  
MINIMUM 63 5:07 AM 45 1937 63 0 70  
AVERAGE 74 72 2 78  
 
PRECIPITATION (IN)  
TODAY 0.00 2.28 2003 0.14 -0.14 0.00  
MONTH TO DATE 1.90 2.38 -0.48 2.40  
SINCE SEP 1 1.90 2.38 -0.48 2.40  
SINCE JAN 1 33.85 30.29 3.56 37.58  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 T 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 9 7 2 13  
MONTH TO DATE 204 175 29 196  
SINCE SEP 1 204 175 29 196  
SINCE JAN 1 1712 1627 85 1715    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 53 1:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 96 1895  
MINIMUM TEMPERATURE (F) 63 44 1916  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2022.....SUNRISE 6:52 AM EDT SUNSET 7:11 PM EDT  
SEPTEMBER 19 2022.....SUNRISE 6:53 AM EDT SUNSET 7:10 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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