880  
CDUS41 KLWX 010523  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
122 AM EDT MON SEP 1 2014  
 
   
...............................
 
 
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 31 2014
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1871 TO 2014  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 96 152 PM 100 1953 84 12 92  
1932  
MINIMUM 77 1159 PM 49 1934 68 9 73  
AVERAGE 87 76 11 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.27 1.98 1940 0.09 0.18 0.00  
MONTH TO DATE 3.39 2.93 0.46 1.34  
SINCE JUN 1 11.38 10.44 0.94 15.74  
SINCE JAN 1 33.67 26.40 7.27 28.32  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 6 -6 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 22 11 11 18  
MONTH TO DATE 399 406 -7 383  
SINCE JUN 1 1224 1177 47 1245  
SINCE JAN 1 1393 1311 82 1430    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 9.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
RAIN  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 100 AM  
LOWEST 40 200 PM  
AVERAGE 61  
   
......................................................
 
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 1980  
1953  
MINIMUM TEMPERATURE (F) 67 50 1890  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2014.....SUNRISE 637 AM EDT SUNSET 738 PM EDT  
SEPTEMBER 2 2014.....SUNRISE 638 AM EDT SUNSET 737 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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