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): 772 | |||||||
|---|---|---|---|---|---|---|---|
| hr (UTC) | Su 01/15 | Mo 01/16 | Tu 01/17 | We 01/18 | Th 01/19 | Fr 01/20 | Sa 01/21 |
| 00 | 5 | 6 | 8 | 6 | 8 | 8 | 7 |
| 01 | 8 | 6 | 7 | 7 | 6 | 6 | 6 |
| 02 | 3 | 0 | 5 | 6 | 6 | 6 | 5 |
| 03 | 5 | 4 | 5 | 6 | 4 | 5 | 5 |
| 04 | 1 | 3 | 4 | 2 | 3 | 4 | 3 |
| 05 | 0 | 0 | 0 | 1 | 1 | 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 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10 | 0 | 1 | 1 | 0 | 1 | 1 | 0 |
| 11 | 5 | 7 | 7 | 7 | 7 | 7 | 6 |
| 12 | 7 | 4 | 9 | 6 | 5 | 6 | 5 |
| 13 | 6 | 7 | 4 | 4 | 4 | 6 | 8 |
| 14 | 2 | 1 | 3 | 3 | 5 | 2 | 2 |
| 15 | 6 | 6 | 8 | 6 | 7 | 8 | 5 |
| 16 | 5 | 8 | 5 | 7 | 8 | 6 | 6 |
| 17 | 6 | 7 | 5 | 5 | 6 | 3 | 4 |
| 18 | 7 | 11 | 9 | 7 | 7 | 8 | 4 |
| 19 | 5 | 4 | 6 | 6 | 3 | 8 | 6 |
| 20 | 10 | 7 | 7 | 6 | 9 | 7 | 6 |
| 21 | 13 | 12 | 14 | 8 | 11 | 11 | 8 |
| 22 | 9 | 9 | 8 | 3 | 10 | 6 | 5 |
| 23 | 7 | 7 | 5 | 9 | 6 | 7 | 4 |
| tot: | 110 | 110 | 120 | 105 | 117 | 115 | 95 |