296  
CDUS41 KLWX 042122  
CLIDCA  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
522 PM EDT THU SEP 4 2008  
 
...................................  
   
..THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR SEPTEMBER 4 2008  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 95R 226 PM 95 1985 83 12 91  
MINIMUM 74 549 AM 49 1908 65 9 69  
1872  
AVERAGE 85 74 11 80  
 
PRECIPITATION (IN)  
TODAY 0.00 4.49 1939 0.12 -0.12 0.00  
MONTH TO DATE 0.00 0.48 -0.48 0.00  
SINCE SEP 1 0.00 0.48 -0.48 0.00  
SINCE JAN 1 33.55 26.74 6.81 21.04  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 7 -7 0  
 
COOLING  
TODAY 20 9 11 15  
MONTH TO DATE 63 39 24 41  
SINCE SEP 1 63 39 24 41  
SINCE JAN 1 1452 1338 114 1469    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 5.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 500 AM  
LOWEST 33 200 PM  
AVERAGE 54  
 
..........................................................  
 
 
THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 97 1881  
MINIMUM TEMPERATURE (F) 65 50 1902  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 4 2008.....SUNRISE 640 AM EDT SUNSET 733 PM EDT  
SEPTEMBER 5 2008.....SUNRISE 641 AM EDT SUNSET 732 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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