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: |
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
Disclaimer
Never make important decisions based on this information or any weather information
obtained from the Internet
|