National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2002-04-30 05:30 UTC
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248
CDUS41 KLWX 300534
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE/WASHINGTON
130 AM EDT TUE APR 30 2002
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 29 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 63 1211 AM 87 1974 70 -7 67
MINIMUM 49 1159 PM 32 1987 44 5 34
AVERAGE 56 57 -1 51
PRECIPITATION (IN)
YESTERDAY T 1.04 1990 0.12 -0.12 0.00
MONTH TO DATE 3.45 3.10 0.35 2.15
SINCE MAR 1 6.93 6.65 0.28 6.30
SINCE JAN 1 8.62 12.47 -3.85 10.51
SNOWFALL (IN)
YESTERDAY MM 0.0 2001 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 9 8 1 14
MONTH TO DATE 284 361 -77 298
SINCE MAR 1 887 1037 -150 1046
SINCE JUL 1 3936 4851 -915 4979
COOLING
YESTERDAY 0 1 -1 0
MONTH TO DATE 55 10 45 26
SINCE MAR 1 55 14 41 26
SINCE JAN 1 55 14 41 26
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 12.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 71 700 AM
LOWEST 54 200 PM
AVERAGE 63
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 70 86 1974
MINIMUM TEMPERATURE (F) 45 29 1977
SUNRISE AND SUNSET
APRIL 30 2002.........SUNRISE 613 AM EDT SUNSET 801 PM EDT
MAY 1 2002...........SUNRISE 612 AM EDT SUNSET 802 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.