National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-04-15 05:23 UTC
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000
CDUS41 KLWX 150523
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT SUN APR 15 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 14 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 55 1140 AM 84 1967 66 -11 75
MINIMUM 33 103 AM 20 1975 40 -7 53
AVERAGE 44 53 -9 64
PRECIPITATION (IN)
YESTERDAY 0.25 2.13 1970 0.10 0.15 0.01
MONTH TO DATE 1.17 1.46 -0.29 1.19
SINCE MAR 1 4.10 5.01 -0.91 1.26
SINCE JAN 1 8.75 10.83 -2.08 6.04
SNOWFALL (IN)
YESTERDAY 0.0 0.0 0.0
MONTH TO DATE 0.2 0.4 -0.2
SINCE AUG 1 14.7 21.2 -6.5
SINCE JUL 1 14.7 21.2 -6.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 21 12 9 1
MONTH TO DATE 262 201 61 115
SINCE MAR 1 842 871 -29 704
SINCE JUL 1 4218 4631 -413 3932
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 3
SINCE MAR 1 8 4 4 6
SINCE JAN 1 8 4 4 6
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION S (200)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 800 PM
LOWEST 41 900 AM
AVERAGE 67
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 87 1967
MINIMUM TEMPERATURE (F) 40 28 1997
1971
SUNRISE AND SUNSET
APRIL 15 2007.........SUNRISE 634 AM EDT SUNSET 747 PM EDT
APRIL 16 2007.........SUNRISE 632 AM EDT SUNSET 748 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$