| Geyser | 1965-09-11 |
|---|---|
| Echinus | 0850, 0957, 1103, 1214, 1428, 1534, 1642, 2220 A, 2328 |
| Ledge | 1125 |
| Steamboat | 0820-1650, 2149 ns |
| Values for Old Faithful Area | 1965-09-11 |
|---|---|
| Astronomical Twilight Begin | 05:17 |
| Nautical Twilight Begin | 05:53 |
| Civil Twilight Begin | 06:28 |
| Sunrise | 06:57 |
| Sunset | 19:42 |
| Civil Twilight End | 20:11 |
| Nautical Twilight End | 20:46 |
| Astronomical Twilight End | 21:22 |
| Moon Illumination | 99.93% |