883  
CDUS41 KLWX 140529  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
129 AM EDT SAT SEP 14 2024  
   
...............................
 
 
...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 13 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 84 3:33 PM 94 1915 82 2 85  
1925  
MINIMUM 66 2:59 AM 44 1917 65 1 71  
AVERAGE 75 74 1 78  
 
PRECIPITATION (IN)  
YESTERDAY T 2.51 1944 0.13 -0.13 T  
MONTH TO DATE 0.02 1.67 -1.65 1.30  
SINCE SEP 1 0.02 1.67 -1.65 1.30  
SINCE JAN 1 29.11 29.58 -0.47 23.79  
 
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 10 9 1 13  
MONTH TO DATE 92 136 -44 210  
SINCE SEP 1 92 136 -44 210  
SINCE JAN 1 1807 1588 219 1547    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 5:00 AM  
LOWEST 51 4:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 95 2016  
MINIMUM TEMPERATURE (F) 65 46 1911  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2024.....SUNRISE 6:49 AM EDT SUNSET 7:17 PM EDT  
SEPTEMBER 15 2024.....SUNRISE 6:50 AM EDT SUNSET 7:15 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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