last week | this week (all airports) | next week
In each cell, the table below shows: 1) number of soundings, 2)
visibility in miles, if available, 3) present weather, if available
Hours with soundings are highlighted.
| Soundings at Washington National, VA (DCA): 646 | |||||||
|---|---|---|---|---|---|---|---|
| hr (UTC) | Su 12/03 | Mo 12/04 | Tu 12/05 | We 12/06 | Th 12/07 | Fr 12/08 | Sa 12/09 |
| 00 | 5 | 9 | 4 | 7 | 9 | 8 | 9 |
| 01 | 2 | 6 | 3 | 7 | 3 | 7 | 7 |
| 02 | 3 | 7 | 3 | 2 | 6 | 6 | 3 |
| 03 | 2 | 6 | 4 | 3 | 3 | 3 | 1 |
| 04 | 0 | 2 | 0 | 2 | 2 | 1 | 1 |
| 05 | 0 | 1 | 0 | 1 | 1 | 1 | 2 |
| 06 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 09 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10 | 1 | 0 | 1 | 1 | 1 | 1 | 1 |
| 11 | 5 | 4 | 5 | 4 | 4 | 6 | 6 |
| 12 | 4 | 2 | 6 | 4 | 3 | 3 | 0 |
| 13 | 6 | 5 | 3 | 5 | 4 | 6 | 6 |
| 14 | 4 | 4 | 5 | 4 | 6 | 5 | 6 |
| 15 | 7 | 7 | 4 | 7 | 6 | 5 | 7 |
| 16 | 3 | 6 | 4 | 6 | 4 | 5 | 6 |
| 17 | 4 | 7 | 6 | 5 | 4 | 5 | 4 |
| 18 | 6 | 7 | 4 | 3 | 6 | 3 | 5 |
| 19 | 3 | 5 | 4 | 0 | 4 | 5 | 4 |
| 20 | 3 | 8 | 5 | 2 | 4 | 5 | 5 |
| 21 | 3 | 8 | 6 | 9 | 5 | 9 | 5 |
| 22 | 3 | 13 | 9 | 10 | 6 | 13 | 11 |
| 23 | 8 | 10 | 4 | 8 | 8 | 6 | 5 |
| tot: | 72 | 117 | 80 | 90 | 89 | 104 | 94 |