National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-08-01 05:42 UTC
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000
CDUS41 KLWX 010545
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
142 AM EDT SUN AUG 1 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 31 2004...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2004
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 89 457 PM 98 1999 88 1 80
MINIMUM 75 531 AM 50 1997 64 11 68
AVERAGE 82 76 6 74
PRECIPITATION (IN)
YESTERDAY 0.00 1.87 1978 0.12 -0.12 T
MONTH TO DATE 3.73 3.57 0.16 6.06
SINCE JUN 1 7.46 7.64 -0.18 14.39
SINCE JAN 1 20.96 24.45 -3.49 38.48
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0
2001
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 1 -1 0
SINCE JUN 1 12 22 -10 31
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 17 11 6 9
MONTH TO DATE 344 345 -1 328
SINCE JUN 1 541 548 -7 493
SINCE JAN 1 781 623 158 523
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 10.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91 1100 PM
LOWEST 52 400 PM
AVERAGE 72
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 100 1980
MINIMUM TEMPERATURE (F) 64 54 1997
SUNRISE AND SUNSET
AUGUST 1 2004........SUNRISE 611 AM EDT SUNSET 821 PM EDT
AUGUST 2 2004........SUNRISE 612 AM EDT SUNSET 820 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$