National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-08-19 05:24 UTC
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000
CDUS41 KLWX 190525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT SUN AUG 19 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 18 2007...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2007
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 82 340 PM 97 2002 86 -4 88
MINIMUM 60 1151 PM 45 1981 63 -3 61
AVERAGE 71 74 -3 75
PRECIPITATION (IN)
YESTERDAY 0.00 0.89 1965 0.12 -0.12 0.00
MONTH TO DATE 0.42 2.14 -1.72 1.19
SINCE JUN 1 5.09 9.78 -4.69 15.43
SINCE JAN 1 16.39 26.59 -10.20 26.94
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 0 0 0
SINCE JUN 1 3 22 -19 4
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 6 10 -4 10
MONTH TO DATE 295 191 104 229
SINCE JUN 1 975 739 236 897
SINCE JAN 1 1126 814 312 979
..................................................................
WIND (MPH)
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 56 600 AM
LOWEST 20 300 PM
AVERAGE 38
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 95 2002
MINIMUM TEMPERATURE (F) 63 52 1981
SUNRISE AND SUNSET
AUGUST 19 2007........SUNRISE 627 AM EDT SUNSET 800 PM EDT
AUGUST 20 2007........SUNRISE 628 AM EDT SUNSET 758 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$