645  
CDUS41 KLWX 030529  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
129 AM EDT TUE OCT 03 2023  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR OCTOBER 2 2023
 
 
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)  
YESTERDAY  
MAXIMUM 85 3:26 PM 98 2019 75 10 62  
MINIMUM 63 4:39 AM 33 1899 58 5 53  
AVERAGE 74 66 8 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.74 1976 0.12 -0.12 0.55  
MONTH TO DATE 0.00 0.24 -0.24 1.01  
SINCE SEP 1 3.60 4.17 -0.57 3.28  
SINCE JAN 1 26.09 32.08 -5.99 35.23  
 
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 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 2 -2 7  
MONTH TO DATE 0 4 -4 12  
SINCE SEP 1 9 20 -11 29  
SINCE JUL 1 9 20 -11 29  
 
COOLING  
YESTERDAY 9 4 5 0  
MONTH TO DATE 16 8 8 0  
SINCE SEP 1 285 246 39 258  
SINCE JAN 1 1651 1698 -47 1766    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 3.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 10:00 PM  
LOWEST 48 4:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 92 1879  
MINIMUM TEMPERATURE (F) 58 35 1899  
 
SUNRISE AND SUNSET  
OCTOBER 3 2023.......SUNRISE 7:06 AM EDT SUNSET 6:48 PM EDT  
OCTOBER 4 2023.......SUNRISE 7:07 AM EDT SUNSET 6:46 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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