National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2005-04-18 05:30 UTC
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000
CDUS41 KLWX 180531
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
130 AM EDT MON APR 18 2005
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 17 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 74 357 PM 93 2002 67 7 82
MINIMUM 31 547 AM 27 1983 41 -10 41
AVERAGE 53 54 -1 62
PRECIPITATION (IN)
YESTERDAY 0.00 1.44 2000 0.10 -0.10 0.00
MONTH TO DATE 2.61 1.76 0.85 3.52
SINCE MAR 1 6.54 5.31 1.23 5.57
SINCE JAN 1 11.09 11.13 -0.04 8.91
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 12 12 0 3
MONTH TO DATE 194 237 -43 288
SINCE MAR 1 938 907 31 862
SINCE JUL 1 4274 4667 -393 4589
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 7 0 7 0
SINCE MAR 1 7 4 3 0
SINCE JAN 1 7 4 3 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (230)
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION SW (220)
AVERAGE WIND SPEED 2.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82 500 AM
LOWEST 13 400 PM
AVERAGE 48
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 67 90 1976
MINIMUM TEMPERATURE (F) 41 31 1996
SUNRISE AND SUNSET
APRIL 18 2005.........SUNRISE 629 AM EDT SUNSET 750 PM EDT
APRIL 19 2005.........SUNRISE 627 AM EDT SUNSET 751 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$