512  
CDUS41 KLWX 010531  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
131 AM EDT MON SEP 1 2008  
 
...................................  
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR AUGUST 31 2008  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1871 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 410 PM 100 1953 84 5 87  
1932  
MINIMUM 69 1159 PM 49 1934 66 3 72  
AVERAGE 79 75 4 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.98 1940 0.12 -0.12 0.00  
MONTH TO DATE 1.23 3.44 -2.21 3.47  
SINCE JUN 1 9.63 10.23 -0.60 7.25  
SINCE JAN 1 33.55 26.26 7.29 21.04  
 
SNOWFALL (IN)  
YESTERDAY 0.0 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 7 -7 0  
SINCE JUN 1 0 12 -12 0  
SINCE JUL 1 0 7 -7 0  
 
COOLING  
YESTERDAY 14 10 4 15  
MONTH TO DATE 406 407 -1 462  
SINCE JUN 1 1295 1167 128 1254  
SINCE JAN 1 1389 1299 90 1428    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 5.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 1200 AM  
LOWEST 21 400 PM  
AVERAGE 53  
 
..........................................................  
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 1980  
1953  
MINIMUM TEMPERATURE (F) 66 50 1890  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2008.....SUNRISE 637 AM EDT SUNSET 738 PM EDT  
SEPTEMBER 2 2008.....SUNRISE 638 AM EDT SUNSET 736 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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