402  
CDUS41 KLWX 222123  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
522 PM EDT TUE AUG 22 2017  
 
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 22 2017
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE  
VALUE (LST) VALUE VALUE FROM  
NORMAL    
...........................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 92 359 PM 99 1983 86 6  
MINIMUM 75 311 AM 51 1923 69 6  
AVERAGE 84 78 6  
 
PRECIPITATION (IN)  
TODAY 0.00 1.41 1955 0.09 -0.09  
MONTH TO DATE 3.55 2.13 1.42  
SINCE JUN 1 13.83 9.64 4.19  
SINCE JAN 1 28.62 25.60 3.02  
 
SNOWFALL (IN)  
TODAY 0.0 MM MM 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE JUN 1 1 -5  
SINCE JUL 1 0 0  
 
COOLING  
TODAY 19 6  
MONTH TO DATE 315 15  
SINCE JUN 1 1215 144  
SINCE JAN 1 1413 208    
...........................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 10.2  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 52  
AVERAGE 76  
   
......................................................
 
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 98 1936  
MINIMUM TEMPERATURE (F) 69 52 1925  
1923  
 
 
SUNRISE AND SUNSET  
AUGUST 22 2017........SUNRISE 628 AM EDT SUNSET 753 PM EDT  
AUGUST 23 2017........SUNRISE 629 AM EDT SUNSET 751 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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