110  
CDUS41 KLWX 302126  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
526 PM EDT SAT SEP 30 2023  
   
...............................
 
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 30 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 76 3:02 PM 91 1954 75 1 64  
1986  
MINIMUM 65 8:32 AM 38 1942 59 6 56  
AVERAGE 71 67 4 60  
 
PRECIPITATION (IN)  
TODAY 0.00 4.66 2010 0.14 -0.14 0.32  
MONTH TO DATE 3.60 3.93 -0.33 2.27  
SINCE SEP 1 3.60 3.93 -0.33 2.27  
SINCE JAN 1 26.09 31.84 -5.75 34.22  
 
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 2 -2 5  
MONTH TO DATE 9 14 -5 17  
SINCE SEP 1 9 14 -5 17  
SINCE JUL 1 9 14 -5 17  
 
COOLING  
TODAY 6 4 2 0  
MONTH TO DATE 269 238 31 258  
SINCE SEP 1 269 238 31 258  
SINCE JAN 1 1635 1690 -55 1766    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 2:00 AM  
LOWEST 62 1:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 93 1927  
1941  
MINIMUM TEMPERATURE (F) 58 36 1899  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2023.....SUNRISE 7:03 AM EDT SUNSET 6:53 PM EDT  
OCTOBER 1 2023.......SUNRISE 7:04 AM EDT SUNSET 6:51 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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