National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2002-05-19 05:30 UTC
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000
CDUS41 KLWX 190533
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
130 AM EDT SUN MAY 19 2002
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR MAY 18 2002...
CLIMATE NORMAL PERIOD 1971 TO 2000 SNOW/HEATING DEGREE DAYS 1961-1990
CLIMATE RECORD PERIOD 1962 TO 2002
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 62 1245 AM 91 1987 75 -13 68
MINIMUM 45 1159 PM 33 1973 51 -6 56
AVERAGE 54 63 -9 62
PRECIPITATION (IN)
YESTERDAY 0.51 3.13 1988 0.14 0.37 0.65
MONTH TO DATE 1.92 2.40 -0.48 0.73
SINCE MAR 1 8.85 9.17 -0.32 7.03
SINCE JAN 1 10.54 14.99 -4.45 11.24
SNOWFALL (IN)
YESTERDAY MM MM MM MM MM MM
MONTH TO DATE 0.0 MM MM 0.0
SINCE MAR 1 0.0 MM MM 1.0
SINCE JUL 1 2.6 MM MM 12.9
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 11 4 7 3
MONTH TO DATE 90 104 -14 80
SINCE MAR 1 987 1149 -162 1132
SINCE JUL 1 4036 4963 -927 5065
COOLING
YESTERDAY 0 2 -2 0
MONTH TO DATE 26 22 4 31
SINCE MAR 1 81 37 44 57
SINCE JAN 1 81 37 44 57
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NW (330)
AVERAGE WIND SPEED 12.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 400 AM
LOWEST 51 500 PM
AVERAGE 76
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 75 92 1997
MINIMUM TEMPERATURE (F) 51 38 1976
SUNRISE AND SUNSET
MAY 19 2002...........SUNRISE 554 AM EDT SUNSET 819 PM EDT
MAY 20 2002...........SUNRISE 553 AM EDT SUNSET 820 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.