National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2005-12-19 05:30 UTC
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000
CDUS41 KLWX 190532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1230 AM EST MON DEC 19 2005
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR DECEMBER 18 2005...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2005
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 45 346 PM 69 1984 45 0 47
MINIMUM 27 918 PM 3 1989 25 2 21
AVERAGE 36 35 1 34
PRECIPITATION (IN)
YESTERDAY 0.00 2.92 1977 0.10 -0.10 0.00
MONTH TO DATE 2.14 1.80 0.34 1.69
SINCE DEC 1 2.14 1.80 0.34 1.69
SINCE JAN 1 43.77 40.53 3.24 37.39
SNOWFALL (IN)
YESTERDAY 0.0 1.0 1963 0.1 -0.1 0.0
MONTH TO DATE 5.7 0.9 4.8 0.0
SINCE DEC 1 5.7 0.9 4.8 0.0
SINCE JUL 1 6.0 1.8 4.2 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 29 29 0 31
MONTH TO DATE 602 484 118 419
SINCE DEC 1 602 484 118 419
SINCE JUL 1 1341 1461 -120 1224
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1373 1075 298 1201
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION W (260)
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 1.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 200 AM
LOWEST 40 200 PM
AVERAGE 63
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 45 63 1967
MINIMUM TEMPERATURE (F) 25 -2 1989
SUNRISE AND SUNSET
DECEMBER 19 2005......SUNRISE 724 AM EST SUNSET 450 PM EST
DECEMBER 20 2005......SUNRISE 724 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.
$$