Ashburn, VA 20147
Current Weather Conditions [Select Refresh to Update]
Updated Automatically by Ambient
Weather's
Virtual Weather Station V14.00
|
Current Conditions |
Almanac |
Last Updated:
10:15am on 2/12/09
Outside Temperature: 54.5 °F
Today's High: 58.9 °F at 3:36am
Lo: 53.1 °F at 7:43am
Barometric Trend: |
Sunrise :
7:02am Sunset: 5:42pm
Moonrise: 9:35pm Moonset:
8:25am
Moon Phase: 18
|
|
Parameter |
Value |
High |
Time |
Low |
Time |
Average |
Rate |
Rate
Hi |
Time |
Rate
Lo |
Time |
|
Wind
Direction |
SE |
360 |
2:01am |
5 |
3:54am |
118 |
-9.8 |
214.2 |
7:19am |
-177.5 |
3:54am |
|
Wind
Speed |
4 |
19 |
7:03am |
0 |
12:00am |
4 |
0.1 |
15.0 |
7:03am |
-4.0 |
7:17am |
|
Gust |
10 |
19 |
7:03am |
0 |
12:00am |
8 |
1.9 |
10.6 |
7:03am |
-7.5 |
4:50am |
|
In
Humidity |
20 |
24 |
12:21am |
20 |
9:50am |
21 |
-0.8 |
1.3 |
12:21am |
-1.2 |
9:50am |
|
Out
Humidity |
41 |
79 |
12:00am |
38 |
5:15am |
41 |
-0.0 |
2.4 |
6:03am |
-19.9 |
1:58am |
|
In
Temp |
77.6 |
78.6 |
12:00am |
74.5 |
7:15am |
76.3 |
1.29 |
1.61 |
9:57am |
-0.95 |
12:18am |
|
Out
Temp |
54.5 |
58.9 |
3:36am |
53.1 |
7:43am |
53.8 |
0.67 |
1.67 |
2:16am |
-2.66 |
1:15am |
|
Barometer |
29.32 |
29.32 |
10:14am |
29.14 |
1:29am |
29.29 |
0.026 |
0.033 |
7:59am |
-0.024 |
1:14am |
|
Rain |
2.50 |
2.50 |
12:00am |
2.50 |
12:00am |
2.50 |
0.000 |
0.009 |
12:00am |
0.000 |
10:15am |
|
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 |
0.03 |
0.03 |
10:00am |
0.00 |
12:00am |
0.02 |
0.004 |
0.005 |
10:00am |
-0.078 |
12:00am |
|
UV
Index |
1.1 |
1.1 |
10:14am |
0.0 |
12:00am |
0.2 |
0.87 |
0.89 |
10:14am |
-0.11 |
9:31am |
|
Solar |
93 |
206 |
9:18am |
0 |
12:00am |
60 |
33.2 |
154.6 |
9:18am |
-9.2 |
9:22am |
|
Wind
Chill |
54.1 |
58.9 |
3:36am |
48.7 |
7:48am |
53.2 |
0.85 |
1.80 |
2:16am |
-5.59 |
7:03am |
|
In
Heat Index |
76.2 |
77.4 |
12:00am |
73.2 |
7:15am |
74.9 |
1.25 |
1.56 |
9:57am |
-0.88 |
12:18am |
|
Heat
Index |
54.5 |
61.9 |
12:00am |
53.2 |
7:43am |
53.8 |
0.66 |
0.76 |
10:14am |
-3.79 |
1:26am |
|
Dew
Point |
31.3 |
51.3 |
12:00am |
29.6 |
8:51am |
30.7 |
0.61 |
1.22 |
10:14am |
-7.96 |
1:46am |
|
Barom
Sea-level |
29.64 |
29.64 |
10:14am |
29.45 |
1:29am |
29.61 |
0.027 |
0.034 |
7:59am |
-0.024 |
1:14am |
|
Parameter |
Month
High |
Date |
Month
Low |
Date |
Year
High |
Date |
Year
Low |
Date |
Yesterday
High |
Yesterday
Low |
24
Hour Difference |
|
Wind
Direction |
360 |
2/12/09 |
0 |
2/2/09 |
360 |
2/12/09 |
0 |
1/1/09 |
359 |
0 |
-27 |
|
Wind
Speed |
19 |
2/12/09 |
0 |
2/1/09 |
19 |
2/12/09 |
0 |
1/1/09 |
18 |
0 |
4 |
|
Gust |
19 |
2/12/09 |
0 |
2/1/09 |
19 |
2/12/09 |
0 |
1/1/09 |
18 |
0 |
4 |
|
In
Humidity |
27 |
2/11/09 |
13 |
2/5/09 |
36 |
1/11/09 |
13 |
1/30/09 |
27 |
21 |
-5 |
|
Out
Humidity |
93 |
2/3/09 |
24 |
2/6/09 |
94 |
1/7/09 |
24 |
2/6/09 |
88 |
42 |
-24 |
|
In
Temp |
81.9 |
2/11/09 |
67.0 |
2/5/09 |
81.9 |
2/11/09 |
64.3 |
1/3/09 |
81.9 |
71.4 |
2.2 |
|
Out
Temp |
70.4 |
2/11/09 |
14.0 |
2/5/09 |
70.4 |
2/11/09 |
2.8 |
1/17/09 |
70.4 |
43.9 |
-4.4 |
|
Barometer |
30.18 |
2/5/09 |
29.14 |
2/12/09 |
30.69 |
1/16/09 |
29.14 |
2/12/09 |
29.70 |
29.16 |
-0.29 |
|
Rain |
2.50 |
2/11/09 |
2.29 |
2/1/09 |
2.50 |
2/11/09 |
0.00 |
1/1/09 |
2.50 |
2.43 |
0.07 |
|
Ch 1
Temp |
0.0 |
2/1/09 |
0.0 |
2/1/09 |
0.0 |
1/1/09 |
0.0 |
1/1/09 |
0.0 |
0.0 |
0.0 |
|
Ch 1
Hum |
0 |
2/1/09 |
0 |
2/1/09 |
0 |
1/1/09 |
0 |
1/1/09 |
0 |
0 |
0 |
|
Ch 2
Temp |
0.0 |
2/1/09 |
0.0 |
2/1/09 |
0.0 |
1/1/09 |
0.0 |
1/1/09 |
0.0 |
0.0 |
0.0 |
|
Ch 2
Hum |
0 |
2/1/09 |
0 |
2/1/09 |
0 |
1/1/09 |
0 |
1/1/09 |
0 |
0 |
0 |
|
Ch 3
Temp |
0.0 |
2/1/09 |
0.0 |
2/1/09 |
0.0 |
1/1/09 |
0.0 |
1/1/09 |
0.0 |
0.0 |
0.0 |
|
Ch 3
Hum |
0 |
2/1/09 |
0 |
2/1/09 |
0 |
1/1/09 |
0 |
1/1/09 |
0 |
0 |
0 |
|
ET |
0.08 |
2/8/09 |
0.00 |
2/1/09 |
0.08 |
2/8/09 |
0.00 |
1/1/09 |
0.08 |
0.00 |
0.02 |
|
UV
Index |
2.8 |
2/8/09 |
0.0 |
2/1/09 |
2.8 |
2/8/09 |
0.0 |
1/1/09 |
2.3 |
0.0 |
0.0 |
|
Solar |
654 |
2/8/09 |
0 |
2/1/09 |
701 |
1/24/09 |
0 |
1/1/09 |
580 |
0 |
-44 |
|
Wind
Chill |
70.4 |
2/11/09 |
1.3 |
2/5/09 |
70.4 |
2/11/09 |
-4.3 |
1/16/09 |
70.4 |
43.9 |
-4.8 |
|
In
Heat Index |
79.8 |
2/11/09 |
65.4 |
2/5/09 |
79.8 |
2/11/09 |
63.6 |
1/3/09 |
79.8 |
70.3 |
1.9 |
|
Heat
Index |
70.6 |
2/11/09 |
14.7 |
2/5/09 |
70.6 |
2/11/09 |
5.1 |
1/17/09 |
70.6 |
48.4 |
-6.8 |
|
Dew
Point |
53.9 |
2/11/09 |
-2.5 |
2/5/09 |
53.9 |
2/11/09 |
-14.9 |
1/16/09 |
53.9 |
38.7 |
-15.7 |
|
Barom
Sea-level |
30.51 |
2/5/09 |
29.45 |
2/12/09 |
30.69 |
1/16/09 |
29.16 |
1/7/09 |
30.03 |
29.47 |
-0.29 |
|
Press
Altitude |
561 |
Daily
Rain |
0.00 |
Degree
Heating |
4.0 |
Monthly
Degree Day Cooling |
1.1 |
Heat
Index |
--- |
Beaufort |
Light Breeze |
|
Cloud
Base |
5800 |
Hourly
Rain |
0.00 |
Degree
Cooling |
0.0 |
Monthly
Wind Run |
301 |
Comfort
Index |
Cool |
|
|
|
Air
Density |
415 |
24Hr
Rain |
0.07 |
Moon
Phase |
18 |
Yearly
Deg Day Heating |
1345.1 |
Forecast |
Mostly cloudy and cooler. Windy with possible wind shift to the W NW or N |
|
|
|
Virtual
Temp |
55.7 |
Rain
Rate |
0.000 |
Monthly
Rain |
0.21 |
Yearly
Degree Day Cooling |
1.1 |
Station
Barom Trend |
Rising |
|
|
|
Vapor
Press |
0.18 |
Wind
Run |
32 |
Monthly
Deg Day Heating |
283.1 |
Yearly
Wind Run |
921 |
Barometer
Trend |
Rising |
|
|
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
|
