National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2004-04-13 05:37 UTC
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525
CDUS41 KLWX 130539
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
137 AM EDT TUE APR 13 2004
...................................
...THE WASHINGTON DULLES CLIMATE SUMMARY FOR APRIL 12 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 46 531 PM 87 1977 65 -19 70
MINIMUM 43 826 AM 23 1982 39 4 47
AVERAGE 45 52 -7 59
PRECIPITATION (IN)
YESTERDAY 1.45R 1.06 1966 0.10 1.35 0.00
MONTH TO DATE 3.17 1.26 1.91 1.60
SINCE MAR 1 5.22 4.81 0.41 5.31
SINCE JAN 1 8.56 10.63 -2.07 14.27
SNOWFALL (IN)
YESTERDAY 0.0 1.0 1973 T 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 20 13 7 6
MONTH TO DATE 218 176 42 189
SINCE MAR 1 792 846 -54 830
SINCE JUL 1 4517 4579 -62 4874
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 0 4 -4 0
SINCE JAN 1 0 4 -4 0
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 9.0
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 1.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 M800 AM
LOWEST 86 M100 PM
AVERAGE 91
..........................................................
THE WASHINGTON DULLES CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 87 1977
MINIMUM TEMPERATURE (F) 39 24 1990
SUNRISE AND SUNSET
APRIL 13 2004.........SUNRISE 636 AM EDT SUNSET 745 PM EDT
APRIL 14 2004.........SUNRISE 634 AM EDT SUNSET 746 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$