National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-07-31 05:18 UTC
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000
CDUS41 KLWX 310519
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
118 AM EDT TUE JUL 31 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 30 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 89 343 PM 98 1988 88 1 94
MINIMUM 70 1146 PM 51 1981 64 6 73
AVERAGE 80 76 4 84
PRECIPITATION (IN)
YESTERDAY 0.09 0.66 1970 0.12 -0.03 0.00
MONTH TO DATE 1.75 3.45 -1.70 2.45
SINCE JUN 1 4.67 7.52 -2.85 14.24
SINCE JAN 1 15.97 24.33 -8.36 25.75
SNOWFALL (IN)
YESTERDAY 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 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 3 22 -19 4
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 15 11 4 19
MONTH TO DATE 374 334 40 410
SINCE JUN 1 665 537 128 649
SINCE JAN 1 816 612 204 731
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 3.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 200 AM
LOWEST 50 300 PM
AVERAGE 72
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1999
MINIMUM TEMPERATURE (F) 64 50 1997
SUNRISE AND SUNSET
JULY 31 2007..........SUNRISE 609 AM EDT SUNSET 822 PM EDT
AUGUST 1 2007........SUNRISE 610 AM EDT SUNSET 821 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$