National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-05-18 05:37 UTC
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000
CDUS41 KLWX 180538
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
137 AM EDT FRI MAY 18 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 17 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 70 446 PM 89 1986 75 -5 71
MINIMUM 52 442 AM 30 1984 50 2 47
AVERAGE 61 63 -2 59
PRECIPITATION (IN)
YESTERDAY 0.00 1.22 1970 0.14 -0.14 0.01
MONTH TO DATE 0.22 2.26 -2.04 1.70
SINCE MAR 1 6.53 9.03 -2.50 6.63
SINCE JAN 1 11.18 14.85 -3.67 11.41
SNOWFALL (IN)
YESTERDAY 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0
SINCE JUL 1 14.7 21.2 -6.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 4 4 0 6
MONTH TO DATE 69 99 -30 87
SINCE MAR 1 1041 1131 -90 908
SINCE JUL 1 4417 4891 -474 4136
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 44 20 24 8
SINCE MAR 1 67 35 32 20
SINCE JAN 1 67 35 32 20
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 400 AM
LOWEST 33 500 PM
AVERAGE 62
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 91 1987
MINIMUM TEMPERATURE (F) 51 33 1973
SUNRISE AND SUNSET
MAY 18 2007...........SUNRISE 555 AM EDT SUNSET 818 PM EDT
MAY 19 2007...........SUNRISE 554 AM EDT SUNSET 819 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$