201
CDUS41 KLWX 090520
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1219 AM EST MON NOV 9 2009
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 8 2009
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2009
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 75 323 PM 77 1987 59 16 67
1975
MINIMUM 35 653 AM 18 1967 36 -1 50
AVERAGE 55 48 7 59
PRECIPITATION (IN)
YESTERDAY 0.00 2.14 1996 0.11 -0.11 0.02
MONTH TO DATE 0.65 0.88 -0.23 0.15
SINCE SEP 1 8.18 8.07 0.11 8.64
SINCE JAN 1 39.58 36.30 3.28 39.52
SNOWFALL (IN)
YESTERDAY 0.0 0.0 0.0
MONTH TO DATE 0.0 T 0.0
SINCE JUL 1 0.0 0.1 -0.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 10 17 -7 6
MONTH TO DATE 132 130 2 60
SINCE SEP 1 419 513 -94 398
SINCE JUL 1 419 518 -99 398
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 137 147 -10 177
SINCE JAN 1 1259 1072 187 1171
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 5 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 1.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 92 500 AM
LOWEST 31 100 PM
AVERAGE 62
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 78 1994
MINIMUM TEMPERATURE (F) 35 19 1976
1971
1967
SUNRISE AND SUNSET
NOVEMBER 9 2009......SUNRISE 646 AM EST SUNSET 501 PM EST
NOVEMBER 10 2009......SUNRISE 647 AM EST SUNSET 500 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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