National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-05-10 05:49 UTC
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630
CDUS41 KLWX 100552
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
149 AM EDT MON MAY 10 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 9 2004...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2004
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 MM 91 1963 73 13 66
MINIMUM 52 MM 30 1976 48 4 58
AVERAGE 69 60 9 62
PRECIPITATION (IN)
YESTERDAY 0.19 0.93 1974 0.13 0.06 0.32
MONTH TO DATE 1.27 1.15 0.12 1.56
SINCE MAR 1 8.37 7.92 0.45 7.98
SINCE JAN 1 11.71 13.74 -2.03 16.94
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 T 3.8 -3.8 1.9
SINCE JUL 1 17.4 21.2 -3.8 50.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 6 -6 3
MONTH TO DATE 42 60 -18 46
SINCE MAR 1 952 1092 -140 1034
SINCE JUL 1 4677 4825 -148 5078
COOLING
YESTERDAY 4 1 3 0
MONTH TO DATE 17 9 8 13
SINCE MAR 1 54 24 30 21
SINCE JAN 1 54 24 30 21
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 6.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 M600 AM
LOWEST 44 M300 PM
AVERAGE 70
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 1963
MINIMUM TEMPERATURE (F) 48 31 1983
SUNRISE AND SUNSET
MAY 10 2004...........SUNRISE 601 AM EDT SUNSET 811 PM EDT
MAY 11 2004...........SUNRISE 600 AM EDT SUNSET 812 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$