National Weather Service Text Product
AFOS product CLIIAD
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIIAD
Product Timestamp: 2017-04-09 05:34 UTC
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900
CDUS41 KLWX 090535
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
134 AM EDT SUN APR 9 2017
...................................
...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 8 2017...
CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
..................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 63 351 PM 87 1991 64 -1 51
MINIMUM 29 511 AM 24 1970 40 -11 34
AVERAGE 46 52 -6 43
PRECIPITATION (IN)
YESTERDAY 0.00 1.15 2000 0.12 -0.12 T
MONTH TO DATE 1.63 0.96 0.67 1.08
SINCE MAR 1 5.75 4.34 1.41 2.53
SINCE JAN 1 9.19 9.76 -0.57 10.79
SNOWFALL (IN)
YESTERDAY 0.0 T 2000 0.1 -0.1
1972
MONTH TO DATE T 0.2 -0.2
SINCE JUL 1 7.3 21.9 -14.6
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 19 13 6 22
MONTH TO DATE 92 116 -24 129
SINCE MAR 1 732 763 -31 575
SINCE JUL 1 3625 4353 -728 3666
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 3 0 3 8
SINCE MAR 1 5 3 2 13
SINCE JAN 1 5 3 2 13
..................................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 8.6
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 78 500 AM
LOWEST 17 300 PM
AVERAGE 48
..........................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 65 89 2001
MINIMUM TEMPERATURE (F) 40 23 1977
SUNRISE AND SUNSET
APRIL 9 2017.........SUNRISE 642 AM EDT SUNSET 741 PM EDT
APRIL 10 2017.........SUNRISE 640 AM EDT SUNSET 742 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$