Vienna, VA
Current Weather Conditions [Select Refresh to Update] |
|||||||||||
Current Conditions |
Almanac |
||||||||||
| Last Updated:
23:01 on 11/23/09 Outside Temperature: 46.1 °F Today's High: 49.7 °F at 10:59 Lo: 35.8 °F at 0:07 Barometric Trend: |
Sunrise :
7:01 Sunset: 16:51 Moonrise: 12:03 Moonset: 23:01 Moon Phase: 7 |
||||||||||
|
Parameter |
Value | High | Time | Low | Time | Average | Rate | Rate Hi | Time | Rate Lo | Time |
|
Wind Direction |
NE | 76 | 11:15 | 25 | 10:30 | 56 | -0.0 | 26.1 | 11:15 | -27.5 | 10:30 |
|
Wind Speed |
0 | 6 | 10:30 | 0 | 0:00 | 0 | -0.3 | 5.6 | 10:30 | -1.1 | 11:29 |
|
Gust |
2 | 6 | 10:30 | 0 | 0:00 | 1 | 0.5 | 4.1 | 10:30 | -3.1 | 12:30 |
|
In Humidity |
50 | 50 | 0:00 | 49 | 2:34 | 50 | 0.0 | 1.0 | 11:54 | -1.0 | 2:34 |
|
Out Humidity |
93 | 93 | 20:14 | 82 | 10:54 | 93 | 0.1 | 4.4 | 13:18 | -3.6 | 10:06 |
|
In Temp |
69.0 | 69.7 | 2:54 | 68.9 | 13:36 | 69.1 | -0.05 | 0.24 | 20:06 | -0.26 | 10:04 |
|
Out Temp |
46.1 | 49.7 | 10:59 | 35.8 | 0:07 | 46.2 | -0.06 | 2.19 | 3:55 | -0.98 | 0:00 |
|
Barometer |
29.91 | 30.07 | 1:10 | 29.91 | 22:52 | 29.93 | -0.016 | 0.016 | 7:01 | -0.027 | 12:14 |
|
Rain |
41.40 | 41.40 | 22:58 | 41.06 | 0:00 | 41.37 | 0.035 | 0.070 | 14:32 | 0.000 | 12:31 |
|
Ch 1 Temp |
0.0 | 0.0 | 0:00 | 0.0 | 0:00 | 0.0 | 0.00 | 0.00 | 0:00 | 0.00 | 0:00 |
|
Ch 1 Hum |
0 | 0 | 0:00 | 0 | 0:00 | 0 | 0.0 | 0.0 | 0:00 | 0.0 | 0:00 |
|
Ch 2 Temp |
0.0 | 0.0 | 0:00 | 0.0 | 0:00 | 0.0 | 0.00 | 0.00 | 0:00 | 0.00 | 0:00 |
|
Ch 2 Hum |
0 | 0 | 0:00 | 0 | 0:00 | 0 | 0.0 | 0.0 | 0:00 | 0.0 | 0:00 |
|
Ch 3 Temp |
0.0 | 0.0 | 0:00 | 0.0 | 0:00 | 0.0 | 0.00 | 0.00 | 0:00 | 0.00 | 0:00 |
|
Ch 3 Hum |
0 | 0 | 0:00 | 0 | 0:00 | 0 | 0.0 | 0.0 | 0:00 | 0.0 | 0:00 |
|
ET |
0.00 | 0.00 | 0:00 | 0.00 | 0:00 | 0.00 | 0.000 | 0.000 | 0:00 | 0.000 | 0:00 |
|
UV Index |
0.0 | 0.0 | 0:00 | 0.0 | 0:00 | 0.0 | 0.00 | 0.00 | 0:00 | 0.00 | 0:00 |
|
Solar |
0 | 0 | 0:00 | 0 | 0:00 | 0 | 0.0 | 0.0 | 0:00 | 0.0 | 0:00 |
|
Wind Chill |
46.1 | 49.7 | 10:59 | 35.8 | 0:07 | 46.2 | -0.06 | 2.19 | 3:55 | -1.39 | 10:30 |
|
In Heat Index |
69.8 | 70.4 | 2:54 | 69.7 | 13:36 | 69.9 | -0.05 | 0.24 | 20:06 | -0.26 | 10:04 |
|
Heat Index |
52.2 | 54.3 | 10:59 | 41.6 | 0:07 | 52.2 | -0.05 | 2.19 | 3:55 | -0.94 | 0:00 |
|
Dew Point |
44.2 | 45.6 | 13:25 | 33.4 | 0:07 | 44.2 | -0.04 | 2.18 | 3:55 | -0.89 | 0:00 |
|
Barom Sea-level |
29.91 | 30.07 | 1:10 | 29.91 | 22:52 | 29.93 | -0.016 | 0.016 | 7:01 | -0.027 | 12:14 |
|
Parameter |
Month High | Date | Month Low | Date | Year High | Date | Year Low | Date | Yesterday High | Yesterday Low | 24 Hour Difference |
|
Wind Direction |
360 | 11/20/09 | 5 | 11/20/09 | 360 | 11/20/09 | 5 | 11/20/09 | 360 | 5 | 4 |
|
Wind Speed |
10 | 11/20/09 | 0 | 11/18/09 | 10 | 11/20/09 | 0 | 11/18/09 | 6 | 0 | 0 |
|
Gust |
10 | 11/20/09 | 0 | 11/18/09 | 10 | 11/20/09 | 0 | 11/18/09 | 6 | 0 | 2 |
|
In Humidity |
52 | 11/19/09 | 49 | 11/22/09 | 52 | 11/19/09 | 49 | 11/22/09 | 51 | 49 | 0 |
|
Out Humidity |
94 | 11/21/09 | 53 | 11/20/09 | 94 | 11/21/09 | 53 | 11/20/09 | 93 | 58 | 2 |
|
In Temp |
70.9 | 11/20/09 | 68.9 | 11/22/09 | 70.9 | 11/20/09 | 68.9 | 11/22/09 | 70.1 | 68.9 | -0.6 |
|
Out Temp |
60.2 | 11/19/09 | 31.6 | 11/22/09 | 60.2 | 11/19/09 | 31.6 | 11/22/09 | 58.9 | 31.6 | 9.3 |
|
Barometer |
30.13 | 11/18/09 | 29.75 | 11/19/09 | 30.13 | 11/18/09 | 29.75 | 11/19/09 | 30.07 | 29.93 | -0.15 |
|
Rain |
41.40 | 11/23/09 | 38.12 | 11/18/09 | 41.40 | 11/23/09 | 41.03 | 11/18/09 | 41.06 | 41.06 | 0.34 |
|
Ch 1 Temp |
0.0 | 11/18/09 | 0.0 | 11/18/09 | 0.0 | 11/18/09 | 0.0 | 11/18/09 | 0.0 | 0.0 | 0.0 |
|
Ch 1 Hum |
0 | 11/18/09 | 0 | 11/18/09 | 0 | 11/18/09 | 0 | 11/18/09 | 0 | 0 | 0 |
|
Ch 2 Temp |
0.0 | 11/18/09 | 0.0 | 11/18/09 | 0.0 | 11/18/09 | 0.0 | 11/18/09 | 0.0 | 0.0 | 0.0 |
|
Ch 2 Hum |
0 | 11/18/09 | 0 | 11/18/09 | 0 | 11/18/09 | 0 | 11/18/09 | 0 | 0 | 0 |
|
Ch 3 Temp |
0.0 | 11/18/09 | 0.0 | 11/18/09 | 0.0 | 11/18/09 | 0.0 | 11/18/09 | 0.0 | 0.0 | 0.0 |
|
Ch 3 Hum |
0 | 11/18/09 | 0 | 11/18/09 | 0 | 11/18/09 | 0 | 11/18/09 | 0 | 0 | 0 |
|
ET |
0.00 | 11/18/09 | 0.00 | 11/18/09 | 0.00 | 11/18/09 | 0.00 | 11/18/09 | 0.00 | 0.00 | 0.00 |
|
UV Index |
0.0 | 11/18/09 | 0.0 | 11/18/09 | 0.0 | 11/18/09 | 0.0 | 11/18/09 | 0.0 | 0.0 | 0.0 |
|
Solar |
0 | 11/18/09 | 0 | 11/18/09 | 0 | 11/18/09 | 0 | 11/18/09 | 0 | 0 | 0 |
|
Wind Chill |
60.2 | 11/19/09 | 31.6 | 11/22/09 | 60.2 | 11/19/09 | 31.6 | 11/22/09 | 58.9 | 31.6 | 9.3 |
|
In Heat Index |
71.9 | 11/20/09 | 69.7 | 11/22/09 | 71.9 | 11/20/09 | 69.7 | 11/22/09 | 70.9 | 69.7 | -0.6 |
|
Heat Index |
66.3 | 11/19/09 | 37.5 | 11/22/09 | 66.3 | 11/19/09 | 37.5 | 11/22/09 | 60.8 | 37.5 | 9.6 |
|
Dew Point |
58.2 | 11/19/09 | 29.5 | 11/22/09 | 58.2 | 11/19/09 | 29.5 | 11/22/09 | 45.5 | 29.5 | 9.8 |
|
Barom Sea-level |
30.13 | 11/18/09 | 29.75 | 11/19/09 | 30.13 | 11/18/09 | 29.75 | 11/19/09 | 30.07 | 29.93 | -0.15 |
|
Press Altitude |
9 | Daily Rain | 0.34 | Degree Heating | 19.6 | Monthly Degree Day Cooling | 0.0 | Heat Index | --- | Beaufort | Calm |
|
Cloud Base |
477 | Hourly Rain | 0.00 | Degree Cooling | 0.0 | Monthly Wind Run | 89 | Comfort Index | Cool | ||
|
Air Density |
-832 | 24Hr Rain | 0.34 | Moon Phase | 7 | Yearly Deg Day Heating | 97.5 | Forecast | Mostly cloudy and cooler. Precip continuing | ||
|
Virtual Temp |
48.0 | Rain Rate | 0.000 | Monthly Rain | 3.28 | Yearly Degree Day Cooling | 0.0 | Station Barom Trend | Steady | ||
|
Vapor Press |
0.29 | Wind Run | 6 | Monthly Deg Day Heating | 97.5 | Yearly Wind Run | 89 | Barometer Trend | Steady | ||
Updated Automatically by Ambient Software's
Virtual Weather Station V14.00 |
|||||||||||