740  
CDUS41 KLWX 042129  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
529 PM EDT MON SEP 04 2023  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 4 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 98R 3:27 PM 96 2019 85 13 91  
MINIMUM 75 5:29 AM 49 1872 68 7 72  
1908  
AVERAGE 87 76 11 82  
 
PRECIPITATION (IN)  
TODAY 0.00 4.49 1939 0.13 -0.13 0.00  
MONTH TO DATE 0.00 0.51 -0.51 0.00  
SINCE SEP 1 0.00 0.51 -0.51 0.00  
SINCE JAN 1 22.49 28.42 -5.93 31.95  
 
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 0.0 0.0 0.0 T  
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 22 11 11 17  
MONTH TO DATE 56 47 9 60  
SINCE SEP 1 56 47 9 60  
SINCE JAN 1 1422 1499 -77 1568    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 6.1  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 7:00 AM  
LOWEST 34 3:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 97 1881  
MINIMUM TEMPERATURE (F) 68 50 1902  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2023.....SUNRISE 6:40 AM EDT SUNSET 7:34 PM EDT  
SEPTEMBER 5 2023.....SUNRISE 6:40 AM EDT SUNSET 7:33 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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