National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-09-20 05:26 UTC
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000
CDUS41 KLWX 200526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT THU SEP 20 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 19 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 80 401 PM 93 1978 78 2 78
1977
MINIMUM 50 204 AM 36 1984 55 -5 59
AVERAGE 65 66 -1 69
PRECIPITATION (IN)
YESTERDAY 0.00 1.26 2000 0.13 -0.13 0.00
MONTH TO DATE 0.81 2.47 -1.66 6.42
SINCE SEP 1 0.81 2.47 -1.66 6.42
SINCE JAN 1 18.45 30.70 -12.25 33.41
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 2 -2 0
MONTH TO DATE 25 18 7 5
SINCE SEP 1 25 18 7 5
SINCE JUL 1 25 23 2 5
COOLING
YESTERDAY 0 4 -4 4
MONTH TO DATE 146 102 44 62
SINCE SEP 1 146 102 44 62
SINCE JAN 1 1411 1027 384 1223
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (200)
AVERAGE WIND SPEED 3.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 100 AM
LOWEST 40 200 PM
AVERAGE 65
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 91 1965
MINIMUM TEMPERATURE (F) 54 40 1979
SUNRISE AND SUNSET
SEPTEMBER 20 2007.....SUNRISE 655 AM EDT SUNSET 711 PM EDT
SEPTEMBER 21 2007.....SUNRISE 656 AM EDT SUNSET 709 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$