National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2007-05-22 05:36 UTC
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000
CDUS41 KLWX 220537
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
136 AM EDT TUE MAY 22 2007
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 21 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 74 252 PM 92 1996 76 -2 74
MINIMUM 52 1140 PM 33 1992 52 0 45
AVERAGE 63 64 -1 60
PRECIPITATION (IN)
YESTERDAY 0.00 1.06 2003 0.14 -0.14 0.00
MONTH TO DATE 0.24 2.82 -2.58 1.74
SINCE MAR 1 6.55 9.59 -3.04 6.67
SINCE JAN 1 11.20 15.41 -4.21 11.45
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 2 3 -1 5
MONTH TO DATE 85 114 -29 108
SINCE MAR 1 1057 1146 -89 929
SINCE JUL 1 4433 4906 -473 4157
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 48 28 20 8
SINCE MAR 1 71 43 28 20
SINCE JAN 1 71 43 28 20
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 6.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 72 1100 PM
LOWEST 33 400 PM
AVERAGE 53
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 88 2004
1984
1975
MINIMUM TEMPERATURE (F) 52 31 2002
SUNRISE AND SUNSET
MAY 22 2007...........SUNRISE 552 AM EDT SUNSET 821 PM EDT
MAY 23 2007...........SUNRISE 551 AM EDT SUNSET 822 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$