National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2003-08-17 05:35 UTC
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000
CDUS41 KLWX 170538
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
135 AM EDT SUN AUG 17 2003
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 16 2003...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2003
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 87 100 PM 100 1997 86 1 93
MINIMUM 68 1000 PM 46 1979 63 5 72
AVERAGE 78 75 3 83
PRECIPITATION (IN)
YESTERDAY 1.45R 1.00 1974 0.12 1.33 T
MONTH TO DATE 3.43 1.90 1.53 0.36
SINCE JUN 1 17.82 9.54 8.28 6.62
SINCE JAN 1 41.91 26.35 15.56 19.99
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 0 0 0
SINCE JUN 1 31 22 9 2
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 13 10 3 18
MONTH TO DATE 192 171 21 232
SINCE JUN 1 685 719 -34 855
SINCE JAN 1 715 794 -79 983
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 3.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 900 PM
LOWEST 59 100 PM
AVERAGE 80
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 101 1988
MINIMUM TEMPERATURE (F) 63 44 1979
SUNRISE AND SUNSET
AUGUST 17 2003........SUNRISE 625 AM EDT SUNSET 802 PM EDT
AUGUST 18 2003........SUNRISE 626 AM EDT SUNSET 801 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.