Vienna, VA 22180 Current Weather Conditions [Select Refresh to Update]
Updated Automatically by Ambient Weather's Virtual Weather Station  V14.00

Current Conditions

Almanac

Last Updated: 8:58am on 11/24/09
Outside Temperature: 47.5 °F
Today's High: 47.5 °F at 8:58am
Lo: 45.5 °F at 5:38am
Barometric Trend: 0.009
Sunrise : 7:02am  Sunset: 4:50pm
Moonrise:   12:28pm   Moonset:  12:00pm
Moon Phase: 7

Parameter

Value High Time Low Time Average Rate Rate Hi Time Rate Lo Time

Wind Direction

NE 56 3:31am 51 3:31am 53 0.2 3.0 3:31am -2.0 3:31am

Wind Speed

0 3 1:24am 0 12:00am 0 -0.0 3.0 1:24am -0.1 2:44am

Gust

1 3 1:24am 0 12:00am 1 -0.0 2.2 1:24am -1.9 4:00am

In Humidity

45 46 12:00am 43 2:48am 45 0.1 1.6 6:03am -1.7 12:11am

Out Humidity

94 94 12:33am 93 12:00am 94 0.0 1.0 12:33am -1.0 4:00am

In Temp

73.0 74.7 2:55am 73.0 8:26am 73.2 -0.22 0.57 12:45am -0.83 5:59am

Out Temp

47.5 47.5 8:58am 45.5 5:38am 46.4 1.08 1.09 8:58am -0.17 5:38am

Barometer

29.76 29.76 8:45am 29.71 12:04am 29.75 0.009 0.014 8:11am -0.019 12:00am

Rain

35.80 35.80 7:00am 35.56 12:00am 35.80 0.002 0.130 12:27am 0.002 8:58am

Ch 1 Temp

0.0 0.0 12:00am 0.0 12:00am 0.0 0.00 0.00 12:00am 0.00 12:00am

Ch 1 Hum

0 0 12:00am 0 12:00am 0 0.0 0.0 12:00am 0.0 12:00am

Ch 2 Temp

0.0 0.0 12:00am 0.0 12:00am 0.0 0.00 0.00 12:00am 0.00 12:00am

Ch 2 Hum

0 0 12:00am 0 12:00am 0 0.0 0.0 12:00am 0.0 12:00am

Ch 3 Temp

0.0 0.0 12:00am 0.0 12:00am 0.0 0.00 0.00 12:00am 0.00 12:00am

Ch 3 Hum

0 0 12:00am 0 12:00am 0 0.0 0.0 12:00am 0.0 12:00am

ET

0.12 0.12 8:00am 0.00 12:00am 0.11 0.018 0.047 8:00am 0.000 12:00am

UV Index

16.0 16.0 8:42am 0.0 12:00am 3.8 12.20 15.99 8:42am 0.00 12:00am

Solar

1774 1782 4:44am 0 12:00am 1751 23.1 1780.5 4:44am 0.0 12:00am

Wind Chill

47.5 47.5 8:58am 44.9 3:31am 46.4 1.08 1.09 8:58am -0.93 1:24am

In Heat Index

73.3 75.0 2:55am 73.3 8:26am 73.6 -0.22 0.48 12:45am -0.78 5:59am

Heat Index

53.7 53.7 8:58am 51.7 4:45am 52.7 1.08 1.09 8:58am -0.24 4:00am

Dew Point

45.9 45.9 8:58am 43.7 4:45am 44.8 1.08 1.09 8:58am -0.36 4:00am

Barom Sea-level

30.19 30.19 8:45am 30.14 12:04am 30.18 0.009 0.014 8:11am -0.020 12:00am

Parameter

Month High Date Month Low Date Year High Date Year Low Date Yesterday High Yesterday Low 24 Hour Difference

Wind Direction

360 11/1/09 5 11/1/09 360 1/1/09 0 2/8/09 360 5 -8

Wind Speed

10 11/7/09 0 11/1/09 22 2/11/09 0 1/1/09 5 0 0

Gust

10 11/7/09 0 11/1/09 22 2/11/09 0 1/1/09 5 0 -3

In Humidity

54 11/1/09 33 11/6/09 74 8/12/09 24 1/8/09 48 42 0

Out Humidity

95 11/15/09 39 11/8/09 100 2/2/09 22 4/18/09 93 81 7

In Temp

83.7 11/9/09 70.4 11/9/09 97.5 3/18/09 65.8 4/8/09 74.9 72.3 0.7

Out Temp

76.9 11/8/09 30.2 11/7/09 97.4 8/18/09 2.3 1/17/09 49.2 39.9 -0.1

Barometer

29.97 11/9/09 29.41 11/14/09 30.69 1/16/09 28.74 4/3/09 29.88 29.71 -0.11

Rain

35.80 11/24/09 31.71 11/1/09 35.80 11/24/09 0.00 1/1/09 35.56 34.98 0.82

Ch 1 Temp

0.0 11/1/09 0.0 11/1/09 0.0 1/1/09 0.0 1/1/09 0.0 0.0 0.0

Ch 1 Hum

0 11/1/09 0 11/1/09 0 1/1/09 0 1/1/09 0 0 0

Ch 2 Temp

0.0 11/1/09 0.0 11/1/09 0.0 1/1/09 0.0 1/1/09 0.0 0.0 0.0

Ch 2 Hum

0 11/1/09 0 11/1/09 0 1/1/09 0 1/1/09 0 0 0

Ch 3 Temp

0.0 11/1/09 0.0 11/1/09 0.0 1/1/09 0.0 1/1/09 0.0 0.0 0.0

Ch 3 Hum

0 11/1/09 0 11/1/09 0 1/1/09 0 1/1/09 0 0 0

ET

0.70 11/14/09 0.00 11/1/09 0.92 6/8/09 0.00 1/1/09 0.00 0.00 0.12

UV Index

16.0 11/19/09 0.0 11/1/09 16.0 3/29/09 0.0 1/1/09 0.0 0.0 16.0

Solar

1782 11/1/09 0 11/1/09 1782 3/29/09 0 1/1/09 0 0 1774

Wind Chill

76.9 11/8/09 30.2 11/7/09 97.4 8/18/09 -5.8 1/16/09 49.2 39.9 -0.1

In Heat Index

82.4 11/9/09 70.6 11/9/09 96.0 3/18/09 65.3 4/8/09 75.3 72.6 0.7

Heat Index

77.1 11/8/09 35.5 11/7/09 113.6 8/10/09 6.5 1/17/09 54.1 45.6 0.9

Dew Point

58.6 11/19/09 26.6 11/6/09 78.4 6/20/09 -9.2 1/16/09 45.3 37.3 1.9

Barom Sea-level

30.41 11/9/09 29.84 11/14/09 30.69 1/16/09 29.15 4/3/09 30.31 30.14 -0.11

Press Altitude

151 Daily  Rain 0.24 Degree Heating 7.2 Monthly Degree Day Cooling 4.8 Heat Index --- Beaufort Calm

Cloud Base

409 Hourly  Rain 0.00 Degree Cooling 0.0 Monthly Wind Run 143 Comfort Index Cool    

Air Density

-561 24Hr Rain 0.82 Moon Phase 7 Yearly Deg Day Heating 3728.1 Forecast Increasing clouds with little temperature change. Precip possible within 24 to 48 hrs    

Virtual Temp

49.5 Rain Rate 0.000 Monthly Rain 4.09 Yearly Degree Day Cooling 1192.1 Station Barom Trend Steady    

Vapor Press

0.31 Wind Run 0 Monthly Deg Day Heating 352.4 Yearly Wind Run 2751 Barometer Trend Steady    

Updated Automatically by Ambient Software's Virtual Weather Station  V14.00
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