National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2002-12-20 05:31 UTC
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778
CDUS41 KLWX 200535
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
1231 AM EST FRI DEC 20 2002
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 19 2002...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2002
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 50 420 PM 63 1967 45 5 53
MINIMUM 35 451 AM -2 1989 25 10 29
AVERAGE 43 35 8 41
PRECIPITATION (IN)
YESTERDAY T 0.20 1977 0.10 -0.10 0.00
MONTH TO DATE 2.31 1.90 0.41 1.27
SINCE DEC 1 2.31 1.90 0.41 1.27
SINCE JAN 1 36.88 40.63 -3.75 36.91
SNOWFALL (IN)
YESTERDAY 0.0 3.1 2000 0.1 MM 0.0
MONTH TO DATE 6.2 1.0 5.2 0.0
SINCE DEC 1 6.2 1.0 5.2 0.0
SINCE JUL 1 6.2 1.9 4.3 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 29 -7 24
MONTH TO DATE 645 513 132 331
SINCE DEC 1 645 513 132 331
SINCE JUL 1 1627 1490 137 1134
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1345 1075 270 1032
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 7.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1100 PM
LOWEST 50 200 PM
AVERAGE 75
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 64 1988
MINIMUM TEMPERATURE (F) 25 8 1991
SUNRISE AND SUNSET
DECEMBER 20 2002......SUNRISE 724 AM EST SUNSET 450 PM EST
DECEMBER 21 2002......SUNRISE 725 AM EST SUNSET 451 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.