National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2005-05-12 05:32 UTC
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000
CDUS41 KLWX 120536
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
132 AM EDT THU MAY 12 2005
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 11 2005...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2005
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 87 252 PM 90 1993 73 14 87
MINIMUM 56 600 AM 29 1966 48 8 66
AVERAGE 72 61 11 77
PRECIPITATION (IN)
YESTERDAY 0.00 0.74 1981 0.14 -0.14 0.00
MONTH TO DATE 0.06 1.42 -1.36 1.27
SINCE MAR 1 8.33 8.19 0.14 8.36
SINCE JAN 1 12.88 14.01 -1.13 11.70
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 1.2 3.8 -2.6 T
SINCE JUL 1 17.3 21.2 -3.9 17.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 0
MONTH TO DATE 100 71 29 43
SINCE MAR 1 1139 1103 36 953
SINCE JUL 1 4475 4863 -388 4680
COOLING
YESTERDAY 7 1 6 12
MONTH TO DATE 7 11 -4 37
SINCE MAR 1 18 26 -8 74
SINCE JAN 1 18 26 -8 74
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 4.5
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 86 400 AM
LOWEST 37 400 PM
AVERAGE 62
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 89 1991
MINIMUM TEMPERATURE (F) 49 34 1969
SUNRISE AND SUNSET
MAY 12 2005...........SUNRISE 600 AM EDT SUNSET 813 PM EDT
MAY 13 2005...........SUNRISE 559 AM EDT SUNSET 814 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$