National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-07-17 05:48 UTC
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000
CDUS41 KLWX 170551
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
148 AM EDT SAT JUL 17 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 16 2004...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2004
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 84 307 PM 104 1988 88 -4 88
MINIMUM 61 527 AM 57 1991 64 -3 71
AVERAGE 73 76 -3 80
PRECIPITATION (IN)
YESTERDAY 0.00 1.65 1989 0.11 -0.11 0.00
MONTH TO DATE 2.36 1.90 0.46 3.73
SINCE JUN 1 6.09 5.97 0.12 12.06
SINCE JAN 1 19.59 22.78 -3.19 36.15
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 12 22 -10 31
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 8 11 -3 15
MONTH TO DATE 186 169 17 177
SINCE JUN 1 383 372 11 342
SINCE JAN 1 623 447 176 372
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 6.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 200 AM
LOWEST 43 100 PM
AVERAGE 64
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 100 1997
MINIMUM TEMPERATURE (F) 64 55 1976
SUNRISE AND SUNSET
JULY 17 2004..........SUNRISE 558 AM EDT SUNSET 833 PM EDT
JULY 18 2004..........SUNRISE 559 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.
$$