522  
CDUS41 KLWX 190527  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
127 AM EDT MON AUG 19 2024  
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 18 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 87 3:53 PM 98 2002 88 -1 MM  
MINIMUM 73 4:49 AM 54 1902 71 2 71  
AVERAGE 80 79 1 MM  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.67 1875 0.10 -0.10 T  
MONTH TO DATE 3.64 1.88 1.76 3.24  
SINCE JUN 1 9.61 10.41 -0.80 11.80  
SINCE JAN 1 28.15 26.54 1.61 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 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 MM  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 4 -4 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 15 14 1 MM  
MONTH TO DATE 295 274 21 227  
SINCE JUN 1 1334 1113 221 1028  
SINCE JAN 1 1559 1280 279 1163    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91 8:00 AM  
LOWEST 55 5:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 98 2002  
2019  
MINIMUM TEMPERATURE (F) 71 53 1924  
 
SUNRISE AND SUNSET  
AUGUST 19 2024........SUNRISE 6:26 AM EDT SUNSET 7:57 PM EDT  
AUGUST 20 2024........SUNRISE 6:27 AM EDT SUNSET 7:55 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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