109  
CDUS41 KLWX 162125  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
525 PM EDT SAT SEP 16 2023  
   
...............................
 
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 16 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 81 3:58 PM 96 1991 81 0 81  
MINIMUM 58 6:10 AM 44 1902 64 -6 59  
AVERAGE 70 72 -2 70  
 
PRECIPITATION (IN)  
TODAY 0.00 4.76 1976 0.15 -0.15 0.00  
MONTH TO DATE 1.30 2.10 -0.80 1.90  
SINCE SEP 1 1.30 2.10 -0.80 1.90  
SINCE JAN 1 23.79 30.01 -6.22 33.85  
 
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 5 8 -3 5  
MONTH TO DATE 227 160 67 187  
SINCE SEP 1 227 160 67 187  
SINCE JAN 1 1593 1612 -19 1695    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 8.9  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 3:00 AM  
LOWEST 34 1:00 PM  
AVERAGE 53  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 96 1991  
MINIMUM TEMPERATURE (F) 64 44 1923  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2023.....SUNRISE 6:50 AM EDT SUNSET 7:15 PM EDT  
SEPTEMBER 17 2023.....SUNRISE 6:51 AM EDT SUNSET 7:13 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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