National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-04-17 05:30 UTC
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534
CDUS41 KLWX 170531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT SAT APR 17 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 16 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 68 459 PM 91 2002 66 2 85
MINIMUM 30 520 AM 28 1981 40 -10 57
AVERAGE 49 53 -4 71
PRECIPITATION (IN)
YESTERDAY 0.00 2.43 1993 0.10 -0.10 0.00
MONTH TO DATE 3.52 1.66 1.86 1.60
SINCE MAR 1 5.57 5.21 0.36 5.31
SINCE JAN 1 8.91 11.03 -2.12 14.27
SNOWFALL (IN)
YESTERDAY 0.0 T 1988 0.0 0.0 0.0
MONTH TO DATE 0.0 0.4 -0.4 T
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 16 12 4 0
MONTH TO DATE 285 225 60 213
SINCE MAR 1 859 895 -36 854
SINCE JUL 1 4584 4628 -44 4898
COOLING
YESTERDAY 0 0 0 6
MONTH TO DATE 0 0 0 8
SINCE MAR 1 0 4 -4 8
SINCE JAN 1 0 4 -4 8
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 3.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85 M500 AM
LOWEST 21 M500 PM
AVERAGE 53
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 93 2002
MINIMUM TEMPERATURE (F) 41 27 1983
SUNRISE AND SUNSET
APRIL 17 2004.........SUNRISE 630 AM EDT SUNSET 749 PM EDT
APRIL 18 2004.........SUNRISE 628 AM EDT SUNSET 750 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$