National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-12-23 05:37 UTC
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000
CDUS41 KLWX 230538
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1237 AM EST THU DEC 23 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 22 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 60 333 PM 67 1984 44 16 57
MINIMUM 26 457 AM 2 1989 25 1 31
AVERAGE 43 34 9 44
PRECIPITATION (IN)
YESTERDAY 0.00 0.94 1983 0.10 -0.10 0.00
MONTH TO DATE 1.70 2.20 -0.50 4.17
SINCE DEC 1 1.70 2.20 -0.50 4.17
SINCE JAN 1 37.40 40.93 -3.53 65.31
SNOWFALL (IN)
YESTERDAY 0.0 2.0 1969 0.1 -0.1 0.0
MONTH TO DATE T 1.3 -1.3 11.4
SINCE DEC 1 T 1.3 -1.3 11.4
SINCE JUL 1 T 2.2 -2.2 11.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 22 30 -8 21
MONTH TO DATE 557 603 -46 672
SINCE DEC 1 557 603 -46 672
SINCE JUL 1 1362 1580 -218 1498
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1201 1075 126 993
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (190)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 6.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 300 AM
LOWEST 27 300 PM
AVERAGE 53
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 68 1990
MINIMUM TEMPERATURE (F) 24 4 1989
SUNRISE AND SUNSET
DECEMBER 23 2004......SUNRISE 726 AM EST SUNSET 452 PM EST
DECEMBER 24 2004......SUNRISE 726 AM EST SUNSET 453 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$