354  
CDUS41 KLWX 270531  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
131 AM EDT WED SEP 27 2023  
   
...............................
 
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 26 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 62 4:24 PM 96 1930 77 -15 80  
MINIMUM 59 7:44 AM 38 1879 60 -1 60  
AVERAGE 61 69 -8 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 2.25 1902 0.13 -0.08 0.00  
MONTH TO DATE 3.60 3.40 0.20 1.95  
SINCE SEP 1 3.60 3.40 0.20 1.95  
SINCE JAN 1 26.09 31.31 -5.22 33.90  
 
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 4 1 3 0  
MONTH TO DATE 7 7 0 7  
SINCE SEP 1 7 7 0 7  
SINCE JUL 1 7 7 0 7  
 
COOLING  
YESTERDAY 0 5 -5 5  
MONTH TO DATE 261 221 40 257  
SINCE SEP 1 261 221 40 257  
SINCE JAN 1 1627 1673 -46 1765    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 12:00 AM  
LOWEST 83 11:00 PM  
AVERAGE 88  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 77 95 1998  
MINIMUM TEMPERATURE (F) 60 40 1879  
 
SUNRISE AND SUNSET  
SEPTEMBER 27 2023.....SUNRISE 7:00 AM EDT SUNSET 6:57 PM EDT  
SEPTEMBER 28 2023.....SUNRISE 7:01 AM EDT SUNSET 6:56 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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