National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2006-05-21 05:38 UTC
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000
CDUS41 KLWX 210539
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
138 AM EDT SUN MAY 21 2006
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 20 2006...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2006
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 73 346 PM 93 1996 76 -3 58
MINIMUM 51 1150 PM 36 2002 51 0 48
AVERAGE 62 63 -1 53
PRECIPITATION (IN)
YESTERDAY T 1.86 2005 0.14 -0.14 1.86
MONTH TO DATE 1.74 2.68 -0.94 3.59
SINCE MAR 1 6.67 9.45 -2.78 11.86
SINCE JAN 1 11.45 15.27 -3.82 16.41
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0
2001
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 T 3.8 -3.8 1.2
SINCE JUL 1 14.1 21.2 -7.1 17.3
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 3 4 -1 12
MONTH TO DATE 103 111 -8 138
SINCE MAR 1 924 1143 -219 1177
SINCE JUL 1 4152 4903 -751 4513
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 8 26 -18 15
SINCE MAR 1 20 41 -21 26
SINCE JAN 1 20 41 -21 26
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 8.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 83 100 AM
LOWEST 27 300 PM
AVERAGE 55
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 92 1996
MINIMUM TEMPERATURE (F) 52 33 1992
SUNRISE AND SUNSET
MAY 21 2006...........SUNRISE 552 AM EDT SUNSET 821 PM EDT
MAY 22 2006...........SUNRISE 552 AM EDT SUNSET 822 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$