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): 833 | |||||||
|---|---|---|---|---|---|---|---|
| hr (UTC) | Su 04/09 | Mo 04/10 | Tu 04/11 | We 04/12 | Th 04/13 | Fr 04/14 | Sa 04/15 |
| 00 | 3 | 5 | 5 | 4 | 6 | 5 | 5 |
| 01 | 3 | 6 | 6 | 7 | 5 | 5 | 4 |
| 02 | 6 | 3 | 5 | 2 | 4 | 7 | 1 |
| 03 | 3 | 3 | 3 | 1 | 3 | 3 | 5 |
| 04 | 1 | 0 | 1 | 2 | 0 | 0 | 0 |
| 05 | 0 | 0 | 0 | 1 | 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 | 1 | 1 | 1 | 1 | 0 |
| 10 | 8 | 8 | 9 | 7 | 9 | 9 | 9 |
| 11 | 6 | 7 | 7 | 6 | 7 | 9 | 5 |
| 12 | 5 | 9 | 7 | 8 | 6 | 5 | 6 |
| 13 | 7 | 7 | 6 | 5 | 6 | 5 | 5 |
| 14 | 5 | 5 | 4 | 3 | 5 | 6 | 6 |
| 15 | 9 | 7 | 9 | 8 | 7 | 7 | 6 |
| 16 | 7 | 8 | 9 | 8 | 8 | 11 | 10 |
| 17 | 4 | 6 | 7 | 4 | 6 | 4 | 8 |
| 18 | 4 | 3 | 6 | 5 | 6 | 7 | 6 |
| 19 | 10 | 8 | 7 | 9 | 10 | 7 | 9 |
| 20 | 12 | 9 | 9 | 11 | 10 | 11 | 11 |
| 21 | 8 | 12 | 11 | 8 | 9 | 10 | 9 |
| 22 | 6 | 8 | 3 | 7 | 6 | 7 | 6 |
| 23 | 4 | 8 | 12 | 9 | 3 | 7 | 2 |
| tot: | 111 | 123 | 127 | 116 | 117 | 126 | 113 |