National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-10-21 05:19 UTC
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000
CDUS41 KLWX 210520
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
119 AM EDT SUN OCT 21 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR OCTOBER 20 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 73 308 PM 83 1969 66 7 67
MINIMUM 50 1155 PM 20 1972 40 10 47
AVERAGE 62 53 9 57
PRECIPITATION (IN)
YESTERDAY 0.00 1.27 1976 0.10 -0.10 0.39
MONTH TO DATE 0.35 2.20 -1.85 3.62
SINCE SEP 1 1.75 6.02 -4.27 10.74
SINCE JAN 1 19.39 34.25 -14.86 37.73
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 3 12 -9 8
MONTH TO DATE 42 175 -133 145
SINCE SEP 1 70 235 -165 199
SINCE JUL 1 70 240 -170 199
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 100 15 85 14
SINCE SEP 1 320 147 173 94
SINCE JAN 1 1585 1072 513 1255
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 5.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 1200 AM
LOWEST 29 200 PM
AVERAGE 61
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 86 1979
MINIMUM TEMPERATURE (F) 40 22 1972
SUNRISE AND SUNSET
OCTOBER 21 2007.......SUNRISE 725 AM EDT SUNSET 623 PM EDT
OCTOBER 22 2007.......SUNRISE 726 AM EDT SUNSET 622 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$