National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2005-04-21 05:38 UTC
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000
CDUS41 KLWX 210540
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
138 AM EDT THU APR 21 2005
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 20 2005...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2005
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 402 PM 88 1985 67 19 80
MINIMUM 50 533 AM 28 1974 41 9 61
AVERAGE 68 54 14 71
PRECIPITATION (IN)
YESTERDAY 0.00 0.46 1964 0.11 -0.11 0.08
MONTH TO DATE 2.61 2.09 0.52 3.60
SINCE MAR 1 6.54 5.64 0.90 5.65
SINCE JAN 1 11.09 11.46 -0.37 8.99
SNOWFALL (IN)
YESTERDAY 0.0 T 1983 0.0 0.0 0.0
MONTH TO DATE 0.0 0.4 -0.4 0.0
SINCE MAR 1 1.2 3.8 -2.6 T
SINCE JUL 1 17.3 21.2 -3.9 17.4
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 11 -11 0
MONTH TO DATE 197 270 -73 288
SINCE MAR 1 941 940 1 862
SINCE JUL 1 4277 4700 -423 4589
COOLING
YESTERDAY 3 1 2 6
MONTH TO DATE 11 1 10 22
SINCE MAR 1 11 5 6 22
SINCE JAN 1 11 5 6 22
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 5.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 89 500 AM
LOWEST 23 500 PM
AVERAGE 56
..........................................................
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 2005.........SUNRISE 625 AM EDT SUNSET 753 PM EDT
APRIL 22 2005.........SUNRISE 623 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.
$$