578  
CDUS41 KLWX 040527  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
127 AM EDT WED SEP 04 2024  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 3 2024  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1871 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 4:23 PM 98 1953 85 -8 97  
MINIMUM 60 5:57 AM 48 1892 68 -8 68  
1909  
AVERAGE 69 76 -7 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.67 1974 0.13 -0.13 0.00  
MONTH TO DATE 0.01 0.38 -0.37 0.00  
SINCE SEP 1 0.01 0.38 -0.37 0.00  
SINCE JAN 1 29.10 28.29 0.81 22.49  
 
SNOWFALL (IN)  
YESTERDAY 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 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 4 12 -8 18  
MONTH TO DATE 28 36 -8 34  
SINCE SEP 1 28 36 -8 34  
SINCE JAN 1 1743 1488 255 1371    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60 5:00 AM  
LOWEST 27 3:00 PM  
AVERAGE 44  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 98 2023  
MINIMUM TEMPERATURE (F) 68 49 1872  
1908  
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2024.....SUNRISE 6:40 AM EDT SUNSET 7:33 PM EDT  
SEPTEMBER 5 2024.....SUNRISE 6:41 AM EDT SUNSET 7:31 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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