National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-08-31 05:30 UTC
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000
CDUS41 KLWX 310530
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT FRI AUG 31 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR AUGUST 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 88 334 PM 99 1991 84 4 81
MINIMUM 69 1211 AM 41 1986 61 8 69
AVERAGE 79 72 7 75
PRECIPITATION (IN)
YESTERDAY 0.00 1.21 1978 0.13 -0.13 0.03
MONTH TO DATE 1.67 3.65 -1.98 1.24
SINCE JUN 1 6.34 11.29 -4.95 15.48
SINCE JAN 1 17.64 28.10 -10.46 26.99
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 0 0 0
SINCE JUN 1 3 22 -19 4
SINCE JUL 1 0 1 -1 0
COOLING
YESTERDAY 14 8 6 10
MONTH TO DATE 420 295 125 404
SINCE JUN 1 1100 843 257 1072
SINCE JAN 1 1251 918 333 1154
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 5.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79 1100 PM
LOWEST 47 1100 AM
AVERAGE 63
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 83 98 1991
MINIMUM TEMPERATURE (F) 61 43 1976
SUNRISE AND SUNSET
AUGUST 31 2007........SUNRISE 637 AM EDT SUNSET 742 PM EDT
SEPTEMBER 1 2007.....SUNRISE 638 AM EDT SUNSET 741 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$