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): 774 | |||||||
|---|---|---|---|---|---|---|---|
| hr (UTC) | Su 04/14 | Mo 04/15 | Tu 04/16 | We 04/17 | Th 04/18 | Fr 04/19 | Sa 04/20 |
| 00 | 6 | 5 | 8 | 4 | 5 | 2 | 2 |
| 01 | 7 | 5 | 7 | 8 | 6 | 4 | 7 |
| 02 | 3 | 3 | 3 | 6 | 7 | 6 | 7 |
| 03 | 6 | 3 | 8 | 5 | 2 | 5 | 2 |
| 04 | 0 | 4 | 1 | 0 | 2 | 1 | 2 |
| 05 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| 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 | 7 | 7 | 9 | 7 | 7 | 7 | 7 |
| 11 | 7 | 4 | 3 | 3 | 2 | 2 | 5 |
| 12 | 7 | 6 | 6 | 7 | 4 | 1 | 7 |
| 13 | 5 | 5 | 5 | 4 | 9 | 5 | 3 |
| 14 | 9 | 7 | 7 | 8 | 8 | 6 | 5 |
| 15 | 6 | 10 | 4 | 9 | 6 | 9 | 11 |
| 16 | 6 | 9 | 5 | 6 | 5 | 8 | 7 |
| 17 | 7 | 4 | 3 | 3 | 4 | 3 | 3 |
| 18 | 6 | 8 | 7 | 6 | 3 | 3 | 6 |
| 19 | 5 | 8 | 9 | 10 | 7 | 8 | 8 |
| 20 | 5 | 6 | 8 | 6 | 3 | 8 | 7 |
| 21 | 9 | 5 | 5 | 6 | 8 | 7 | 14 |
| 22 | 5 | 8 | 6 | 6 | 8 | 8 | 10 |
| 23 | 5 | 8 | 8 | 9 | 8 | 7 | 4 |
| tot: | 111 | 116 | 112 | 113 | 104 | 100 | 118 |