National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2002-04-21 05:33 UTC
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000
CDUS41 KLWX 210537
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
133 AM EDT SUN APR 21 2002
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 20 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 80 1209 PM 88 1985 67 13 68
MINIMUM 56 1159 PM 28 1974 42 14 36
AVERAGE 68 55 13 52
PRECIPITATION (IN)
YESTERDAY 0.04 0.46 1964 0.11 -0.07 0.00
MONTH TO DATE 0.70 2.09 -1.39 2.14
SINCE MAR 1 4.18 5.64 -1.46 6.29
SINCE JAN 1 5.87 11.46 -5.59 10.50
SNOWFALL (IN)
YESTERDAY 0.0 T 1983 MM MM 0.0
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 0 11 -11 13
MONTH TO DATE 178 277 -99 227
SINCE MAR 1 781 953 -172 975
SINCE JUL 1 3830 4767 -937 4908
COOLING
YESTERDAY 3 1 2 0
MONTH TO DATE 55 1 54 7
SINCE MAR 1 55 5 50 7
SINCE JAN 1 55 5 50 7
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 6.1
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 100 1100 PM
LOWEST 52 1100 AM
AVERAGE 76
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 68 89 1985
MINIMUM TEMPERATURE (F) 42 29 1983
SUNRISE AND SUNSET
APRIL 21 2002.........SUNRISE 625 AM EDT SUNSET 753 PM EDT
APRIL 22 2002.........SUNRISE 624 AM EDT SUNSET 754 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.