National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2005-07-18 05:31 UTC
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000
CDUS41 KLWX 180531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
131 AM EDT MON JUL 18 2005
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 17 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 89 204 PM 100 1997 88 1 85
MINIMUM 74 646 AM 55 1976 64 10 59
AVERAGE 82 76 6 72
PRECIPITATION (IN)
YESTERDAY 0.01 0.60 1988 0.11 -0.10 T
MONTH TO DATE 6.99 2.01 4.98 2.36
SINCE JUN 1 8.91 6.08 2.83 6.09
SINCE JAN 1 26.59 22.89 3.70 19.58
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 JUN 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 0 0 0
MONTH TO DATE 0 1 -1 0
SINCE JUN 1 9 22 -13 12
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 17 11 6 7
MONTH TO DATE 213 180 33 193
SINCE JUN 1 486 383 103 390
SINCE JAN 1 514 458 56 630
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 3.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1200 AM
LOWEST 59 200 PM
AVERAGE 77
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 100 1986
MINIMUM TEMPERATURE (F) 64 51 1985
SUNRISE AND SUNSET
JULY 18 2005..........SUNRISE 559 AM EDT SUNSET 833 PM EDT
JULY 19 2005..........SUNRISE 600 AM EDT SUNSET 832 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$