National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2005-08-18 05:30 UTC
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000
CDUS41 KLWX 180531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT THU AUG 18 2005
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 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 86 329 PM 101 1988 86 0 83
MINIMUM 66 632 AM 44 1979 63 3 61
AVERAGE 76 74 2 72
PRECIPITATION (IN)
YESTERDAY 0.01 3.32 1997 0.12 -0.11 0.00
MONTH TO DATE 1.42 2.02 -0.60 3.67
SINCE JUN 1 11.19 9.66 1.53 11.13
SINCE JAN 1 28.87 26.47 2.40 24.62
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 0 0 2
SINCE JUN 1 9 22 -13 14
SINCE JUL 1 0 1 -1 2
COOLING
YESTERDAY 11 10 1 7
MONTH TO DATE 258 181 77 131
SINCE JUN 1 940 729 211 672
SINCE JAN 1 968 804 164 912
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 45 300 PM
AVERAGE 69
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 97 2002
MINIMUM TEMPERATURE (F) 63 45 1981
SUNRISE AND SUNSET
AUGUST 18 2005........SUNRISE 626 AM EDT SUNSET 800 PM EDT
AUGUST 19 2005........SUNRISE 627 AM EDT SUNSET 759 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$