National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-05-01 05:38 UTC
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000
CDUS41 KLWX 010538
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
138 AM EDT TUE MAY 1 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 30 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 86R 150 PM 86 1974 70 16 68
MINIMUM 49 152 AM 29 1977 45 4 38
AVERAGE 68 58 10 53
PRECIPITATION (IN)
YESTERDAY 0.00 0.72 2005 0.12 -0.12 0.00
MONTH TO DATE 3.38 3.22 0.16 4.86
SINCE MAR 1 6.31 6.77 -0.46 4.93
SINCE JAN 1 10.96 12.59 -1.63 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 0 8 -8 12
MONTH TO DATE 392 362 30 232
SINCE MAR 1 972 1032 -60 821
SINCE JUL 1 4348 4792 -444 4049
COOLING
YESTERDAY 3 1 2 0
MONTH TO DATE 15 11 4 9
SINCE MAR 1 23 15 8 12
SINCE JAN 1 23 15 8 12
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 10.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80 200 AM
LOWEST 28 1100 AM
AVERAGE 54
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 71 86 1986
1985
MINIMUM TEMPERATURE (F) 45 33 1996
SUNRISE AND SUNSET
MAY 1 2007...........SUNRISE 612 AM EDT SUNSET 802 PM EDT
MAY 2 2007...........SUNRISE 611 AM EDT SUNSET 803 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$