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): 334 | |||||||
|---|---|---|---|---|---|---|---|
| hr (UTC) | Su 09/05 | Mo 09/06 | Tu 09/07 | We 09/08 | Th 09/09 | Fr 09/10 | Sa 09/11 |
| 00 | 3 | 4 | 5 | 5 | 0 | 4 | 5 |
| 01 | 0 | 2 | 1 | 1 | 1 | 2 | 0 |
| 02 | 2 | 0 | 1 | 2 | 3 | 2 | 2 |
| 03 | 1 | 1 | 0 | 0 | 1 | 2 | 1 |
| 04 | 0 | 1 | 1 | 1 | 0 | 2 | 2 |
| 05 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 07 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 09 | 0 | 1 | 2 | 1 | 1 | 1 | 1 |
| 10 | 2 | 2 | 0 | 1 | 0 | 2 | 3 |
| 11 | 1 | 1 | 1 | 1 | 1 | 2 | 0 |
| 12 | 3 | 3 | 2 | 1 | 2 | 2 | 0 |
| 13 | 1 | 0 | 1 | 3 | 2 | 2 | 2 |
| 14 | 0 | 1 | 0 | 1 | 1 | 1 | 1 |
| 15 | 0 | 1 | 2 | 2 | 1 | 2 | 4 |
| 16 | 3 | 4 | 6 | 4 | 6 | 5 | 2 |
| 17 | 3 | 3 | 7 | 4 | 3 | 7 | 4 |
| 18 | 3 | 3 | 4 | 4 | 3 | 5 | 1 |
| 19 | 3 | 3 | 4 | 2 | 6 | 5 | 4 |
| 20 | 3 | 4 | 8 | 3 | 6 | 6 | 4 |
| 21 | 1 | 2 | 5 | 6 | 5 | 4 | 2 |
| 22 | 2 | 1 | 4 | 5 | 4 | 3 | 3 |
| 23 | 1 | 3 | 2 | 4 | 4 | 4 | 1 |
| tot: | 32 | 40 | 56 | 51 | 50 | 63 | 42 |