National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-12-29 05:23 UTC
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000
CDUS41 KLWX 290525
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1223 AM EST SAT DEC 29 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 28 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 48 443 PM 73 1984 43 5 49
MINIMUM 27 802 AM 8 1966 24 3 26
AVERAGE 38 33 5 38
PRECIPITATION (IN)
YESTERDAY 0.28 1.74 1967 0.10 0.18 0.00
MONTH TO DATE 2.75 2.77 -0.02 1.66
SINCE DEC 1 2.75 2.77 -0.02 1.66
SINCE JAN 1 27.78 41.50 -13.72 45.90
SNOWFALL (IN)
YESTERDAY 0.0 0.1 -0.1
MONTH TO DATE 2.5 1.9 0.6
SINCE JUL 1 2.5 2.8 -0.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 27 31 -4 27
MONTH TO DATE 748 788 -40 635
SINCE DEC 1 748 788 -40 635
SINCE JUL 1 1477 1765 -288 1496
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1593 1075 518 1256
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 2.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1000 PM
LOWEST 54 200 PM
AVERAGE 74
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 78 1984
MINIMUM TEMPERATURE (F) 23 7 1977
SUNRISE AND SUNSET
DECEMBER 29 2007......SUNRISE 728 AM EST SUNSET 456 PM EST
DECEMBER 30 2007......SUNRISE 728 AM EST SUNSET 456 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$