892  
CDUS41 KLWX 210523  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
123 AM EDT WED AUG 21 2024  
   
...............................  
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 20 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 76 2:36 PM 101 1983 88 -12 88  
MINIMUM 63 11:59 PM 50 1896 71 -8 66  
AVERAGE 70 79 -9 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.83 1963 0.10 -0.10 0.00  
MONTH TO DATE 3.65 2.08 1.57 3.24  
SINCE JUN 1 9.62 10.61 -0.99 11.80  
SINCE JAN 1 28.16 26.74 1.42 22.02  
 
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 JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH MM  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 4 -4 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 5 14 -9 12  
MONTH TO DATE 316 302 14 248  
SINCE JUN 1 1355 1141 214 1049  
SINCE JAN 1 1580 1308 272 1184    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 12.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 5:00 AM  
LOWEST 39 5:00 PM  
AVERAGE 54  
   
......................................................  
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 100 1874  
MINIMUM TEMPERATURE (F) 71 53 1908  
 
SUNRISE AND SUNSET  
AUGUST 21 2024........SUNRISE 6:28 AM EDT SUNSET 7:54 PM EDT  
AUGUST 22 2024........SUNRISE 6:29 AM EDT SUNSET 7:52 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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