National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-04-21 05:34 UTC
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388
CDUS41 KLWX 210537
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
134 AM EDT WED APR 21 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 20 2004...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1962 TO 2004
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 500 PM 88 1985 67 13 70
MINIMUM 61 1159 PM 28 1974 41 20 37
AVERAGE 71 54 17 54
PRECIPITATION (IN)
YESTERDAY 0.08 0.46 1964 0.11 -0.03 0.00
MONTH TO DATE 3.60 2.09 1.51 2.24
SINCE MAR 1 5.65 5.64 0.01 5.95
SINCE JAN 1 8.99 11.46 -2.47 14.91
SNOWFALL (IN)
YESTERDAY 0.0 T 1983 0.0 0.0 0.0
MONTH TO DATE 0.0 0.4 -0.4 T
SINCE MAR 1 T 3.8 -3.8 1.9
SINCE JUL 1 17.4 21.2 -3.8 50.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 11 -11 11
MONTH TO DATE 288 270 18 271
SINCE MAR 1 862 940 -78 912
SINCE JUL 1 4587 4673 -86 4956
COOLING
YESTERDAY 6 1 5 0
MONTH TO DATE 22 1 21 8
SINCE MAR 1 22 5 17 8
SINCE JAN 1 22 5 17 8
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 6.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 1100 PM
LOWEST 36 M500 PM
AVERAGE 63
..........................................................
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 2004.........SUNRISE 624 AM EDT SUNSET 753 PM EDT
APRIL 22 2004.........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.
$$