National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-08-18 05:17 UTC
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000
CDUS41 KLWX 180518
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
117 AM EDT SAT AUG 18 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 17 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 95 233 PM 101 1988 86 9 89
MINIMUM 71 628 AM 44 1979 63 8 63
AVERAGE 83 74 9 76
PRECIPITATION (IN)
YESTERDAY 0.05 3.32 1997 0.12 -0.07 0.00
MONTH TO DATE 0.42 2.02 -1.60 1.19
SINCE JUN 1 5.09 9.66 -4.57 15.43
SINCE JAN 1 16.39 26.47 -10.08 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 18 10 8 11
MONTH TO DATE 289 181 108 219
SINCE JUN 1 969 729 240 887
SINCE JAN 1 1120 804 316 969
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 8.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 400 AM
LOWEST 34 600 PM
AVERAGE 62
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 97 2002
MINIMUM TEMPERATURE (F) 63 45 1981
SUNRISE AND SUNSET
AUGUST 18 2007........SUNRISE 626 AM EDT SUNSET 801 PM EDT
AUGUST 19 2007........SUNRISE 627 AM EDT SUNSET 800 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$