| Geyser | 1964-09-06 |
|---|---|
| Bear Den | 0825 |
| Ebony | 0825 min |
| Echinus | 0911, 1020, 1132, 1245, 1357, 1510 |
| Steamboat | 0830 |
| Values for Old Faithful Area | 1964-09-06 |
|---|---|
| Astronomical Twilight Begin | 04:10 |
| Nautical Twilight Begin | 04:47 |
| Civil Twilight Begin | 05:22 |
| Sunrise | 05:52 |
| Sunset | 18:50 |
| Civil Twilight End | 19:20 |
| Nautical Twilight End | 19:55 |
| Astronomical Twilight End | 20:32 |
| Moon Illumination | 0.02% |