National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-04-28 05:36 UTC
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000
CDUS41 KLWX 280536
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
136 AM EDT SAT APR 28 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 27 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 71 351 PM 92 1990 69 2 72
MINIMUM 50 335 AM 31 1987 44 6 38
1972
AVERAGE 61 57 4 55
PRECIPITATION (IN)
YESTERDAY 0.18 1.65 1973 0.11 0.07 0.00
MONTH TO DATE 3.38 2.86 0.52 4.86
SINCE MAR 1 6.31 6.41 -0.10 4.93
SINCE JAN 1 10.96 12.23 -1.27 9.71
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 4 9 -5 10
MONTH TO DATE 385 337 48 196
SINCE MAR 1 965 1007 -42 785
SINCE JUL 1 4341 4767 -426 4013
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 12 8 4 9
SINCE MAR 1 20 12 8 12
SINCE JAN 1 20 12 8 12
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NW (330)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 2.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 300 AM
LOWEST 66 400 PM
AVERAGE 80
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 88 1990
1983
1981
MINIMUM TEMPERATURE (F) 44 32 1993
1972
SUNRISE AND SUNSET
APRIL 28 2007.........SUNRISE 616 AM EDT SUNSET 759 PM EDT
APRIL 29 2007.........SUNRISE 615 AM EDT SUNSET 800 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$