105
CDUS41 KLWX 272124
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT TUE OCT 27 2009
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 27 2009
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
MAXIMUM 57 359 PM 84 1963 64 -7 50
MINIMUM 53 751 AM 21 1988 38 15 41
AVERAGE 55 51 4 46
PRECIPITATION (IN)
TODAY 0.35 1.89 2003 0.11 0.24 T
MONTH TO DATE 4.38 2.93 1.45 1.29
SINCE SEP 1 6.21 6.75 -0.54 8.47
SINCE JAN 1 37.61 34.98 2.63 39.35
SNOWFALL (IN)
TODAY 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
TODAY 10 14 -4 19
MONTH TO DATE 253 265 -12 233
SINCE SEP 1 272 325 -53 257
SINCE JUL 1 272 330 -58 257
COOLING
TODAY 0 0 0 0
MONTH TO DATE 8 15 -7 17
SINCE SEP 1 137 147 -10 177
SINCE JAN 1 1259 1072 187 1171
..............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 86 900 AM
AVERAGE 90
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 63 83 1984
MINIMUM TEMPERATURE (F) 38 22 1976
SUNRISE AND SUNSET
OCTOBER 27 2009.......SUNRISE 732 AM EDT SUNSET 615 PM EDT
OCTOBER 28 2009.......SUNRISE 733 AM EDT SUNSET 614 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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