817
CDUS41 KLWX 080526
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1225 AM EST SUN NOV 8 2009
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 7 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 61 345 PM 74 1965 60 1 72
MINIMUM 29 709 AM 22 1991 36 -7 49
1982
AVERAGE 45 48 -3 61
PRECIPITATION (IN)
YESTERDAY 0.00 2.31 1997 0.11 -0.11 0.00
MONTH TO DATE 0.65 0.77 -0.12 0.13
SINCE SEP 1 8.18 7.96 0.22 8.62
SINCE JAN 1 39.58 36.19 3.39 39.50
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 20 17 3 4
MONTH TO DATE 122 113 9 54
SINCE SEP 1 409 496 -87 392
SINCE JUL 1 409 501 -92 392
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 15 HIGHEST WIND DIRECTION S (180)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (180)
AVERAGE WIND SPEED 4.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 1200 AM
LOWEST 36 200 PM
AVERAGE 61
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 59 77 1987
1975
MINIMUM TEMPERATURE (F) 36 18 1967
SUNRISE AND SUNSET
NOVEMBER 8 2009......SUNRISE 645 AM EST SUNSET 502 PM EST
NOVEMBER 9 2009......SUNRISE 646 AM EST SUNSET 501 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page