National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2005-09-21 05:38 UTC
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000
CDUS41 KLWX 210538
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
138 AM EDT WED SEP 21 2005
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 20 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 89 MM 91 1965 78 11 72
MINIMUM 68 MM 40 1979 54 14 47
AVERAGE 79 66 13 60
PRECIPITATION (IN)
YESTERDAY 0.00 0.87 1966 0.13 -0.13 0.00
MONTH TO DATE 0.01 2.60 -2.59 4.19
SINCE SEP 1 0.01 2.60 -2.59 4.19
SINCE JAN 1 29.78 30.83 -1.05 28.93
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0
2001
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 3 -3 5
MONTH TO DATE 0 21 -21 11
SINCE SEP 1 0 21 -21 11
SINCE JUL 1 0 26 -26 13
COOLING
YESTERDAY 14 4 10 0
MONTH TO DATE 175 106 69 110
SINCE SEP 1 175 106 69 110
SINCE JAN 1 1286 1031 255 1169
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 8.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 700 AM
LOWEST 40 200 PM
AVERAGE 64
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 77 92 1998
MINIMUM TEMPERATURE (F) 54 42 1991
SUNRISE AND SUNSET
SEPTEMBER 21 2005.....SUNRISE 657 AM EDT SUNSET 708 PM EDT
SEPTEMBER 22 2005.....SUNRISE 658 AM EDT SUNSET 707 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$