National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2003-05-20 05:29 UTC
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000
CDUS41 KLWX 200532
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT TUE MAY 20 2003
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 19 2003...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2003
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 71 441 PM 92 1997 75 -4 60
MINIMUM 43 503 AM 36 2002 51 -8 36
AVERAGE 57 63 -6 48
PRECIPITATION (IN)
YESTERDAY 0.00 1.18 1988 0.14 -0.14 0.00
MONTH TO DATE 5.43 2.54 2.89 1.92
SINCE MAR 1 11.85 9.31 2.54 8.85
SINCE JAN 1 20.81 15.13 5.68 10.54
SNOWFALL (IN)
YESTERDAY 0.0 0.0 2002 0.0 0.0 0.0
MONTH TO DATE 0.0 2001 0.0 0.0 0.0
SINCE MAR 1 1.9 3.8 -1.9 0.0
SINCE JUL 1 50.1 21.2 28.9 2.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 8 4 4 17
MONTH TO DATE 116 107 9 107
SINCE MAR 1 1104 1139 -35 1004
SINCE JUL 1 5148 4872 276 4053
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 20 24 -4 26
SINCE MAR 1 28 39 -11 81
SINCE JAN 1 28 39 -11 81
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 4.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
FOG W/VISIBILITY <= 1/4 MILE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1200 AM
LOWEST 49 300 PM
AVERAGE 75
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 76 93 1996
MINIMUM TEMPERATURE (F) 51 36 2002
SUNRISE AND SUNSET
MAY 20 2003...........SUNRISE 553 AM EDT SUNSET 820 PM EDT
MAY 21 2003...........SUNRISE 553 AM EDT SUNSET 821 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.