National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-11-18 05:17 UTC
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000
CDUS41 KLWX 180517
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1217 AM EST SUN NOV 18 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR NOVEMBER 17 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 52 246 PM 75 1963 56 -4 59
MINIMUM 31 238 AM 17 1976 34 -3 41
AVERAGE 42 45 -3 50
PRECIPITATION (IN)
YESTERDAY 0.00 1.03 1987 0.11 -0.11 0.00
MONTH TO DATE 1.31 1.88 -0.57 4.35
SINCE SEP 1 6.23 9.07 -2.84 16.29
SINCE JAN 1 23.87 37.30 -13.43 43.28
SNOWFALL (IN)
YESTERDAY 0.0 0.0 0.0
MONTH TO DATE 0.0 T 0.0
SINCE JUL 1 0.0 0.1 -0.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 23 20 3 15
MONTH TO DATE 310 300 10 231
SINCE SEP 1 480 683 -203 607
SINCE JUL 1 480 688 -208 607
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE SEP 1 328 147 181 95
SINCE JAN 1 1593 1072 521 1256
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 600 AM
LOWEST 32 200 PM
AVERAGE 54
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 56 76 1963
MINIMUM TEMPERATURE (F) 33 20 1991
1973
SUNRISE AND SUNSET
NOVEMBER 18 2007......SUNRISE 656 AM EST SUNSET 454 PM EST
NOVEMBER 19 2007......SUNRISE 657 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.
$$