National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2003-09-20 05:29 UTC
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000
CDUS41 KLWX 200532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT SAT SEP 20 2003
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR SEPTEMBER 19 2003...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2003
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 1158 AM 93 1978 78 -1 82
MINIMUM 60 1159 PM 36 1984 55 5 66
AVERAGE 69 66 3 74
PRECIPITATION (IN)
YESTERDAY 0.20 1.26 2000 0.13 0.07 0.00
MONTH TO DATE 4.55 2.47 2.08 0.50
SINCE SEP 1 4.55 2.47 2.08 0.50
SINCE JAN 1 48.60 30.70 17.90 23.05
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 SEP 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 2 -2 0
MONTH TO DATE 8 18 -10 4
SINCE SEP 1 8 18 -10 4
SINCE JUL 1 8 23 -15 7
COOLING
YESTERDAY 4 4 0 9
MONTH TO DATE 76 102 -26 106
SINCE SEP 1 76 102 -26 106
SINCE JAN 1 955 1027 -72 1269
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION SE (130)
AVERAGE WIND SPEED 10.5
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 800 PM
LOWEST 69 1200 PM
AVERAGE 85
..........................................................
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 2003.....SUNRISE 655 AM EDT SUNSET 711 PM EDT
SEPTEMBER 21 2003.....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.