299
CDUS41 KLWX 042122
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
522 PM EDT THU SEP 4 2008
...................................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR SEPTEMBER 4 2008
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2008
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 93 201 PM 95 1985 82 11 91
MINIMUM 65 421 AM 48 1997 60 5 62
AVERAGE 79 71 8 77
PRECIPITATION (IN)
TODAY 0.00 1.29 1996 0.13 -0.13 0.00
MONTH TO DATE 0.00 0.52 -0.52 0.00
SINCE SEP 1 0.00 0.52 -0.52 0.00
SINCE JAN 1 30.88 28.75 2.13 17.64
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 5 -5 0
COOLING
TODAY 14 6 8 12
MONTH TO DATE 39 27 12 38
SINCE SEP 1 39 27 12 38
SINCE JAN 1 1033 952 81 1303
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 3.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 500 AM
LOWEST 34 200 PM
AVERAGE 64
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 82 96 1985
MINIMUM TEMPERATURE (F) 59 42 1997
SUNRISE AND SUNSET
SEPTEMBER 4 2008.....SUNRISE 642 AM EDT SUNSET 735 PM EDT
SEPTEMBER 5 2008.....SUNRISE 643 AM EDT SUNSET 733 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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