National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2006-09-18 05:43 UTC
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000
CDUS41 KLWX 180546
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
143 AM EDT MON SEP 18 2006
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 17 2006...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2006
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 81 357 PM 97 1991 79 2 90
MINIMUM 57 520 AM 35 1986 56 1 66
AVERAGE 69 67 2 78
PRECIPITATION (IN)
YESTERDAY 0.00 1.71 2004 0.13 -0.13 0.00
MONTH TO DATE 6.42 2.21 4.21 0.01
SINCE SEP 1 6.42 2.21 4.21 0.01
SINCE JAN 1 33.41 30.44 2.97 29.78
SNOWFALL (IN)
YESTERDAY 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 2 -2 0
MONTH TO DATE 5 14 -9 0
SINCE SEP 1 5 14 -9 0
SINCE JUL 1 5 19 -14 0
COOLING
YESTERDAY 4 4 0 13
MONTH TO DATE 52 94 -42 145
SINCE SEP 1 52 94 -42 145
SINCE JAN 1 1213 1019 194 1256
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 2.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 300 AM
LOWEST 51 200 PM
AVERAGE 76
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 91 1978
MINIMUM TEMPERATURE (F) 55 37 1990
SUNRISE AND SUNSET
SEPTEMBER 18 2006.....SUNRISE 654 AM EDT SUNSET 713 PM EDT
SEPTEMBER 19 2006.....SUNRISE 655 AM EDT SUNSET 712 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$