| Geyser | 1965-09-18 |
|---|---|
| Echinus | 0903, 1002, 1104, 1204, 1400, 1502, 1600 |
| Ledge | 1810 ie |
| Steamboat | 0830-1800 |
| Values for Old Faithful Area | 1965-09-18 |
|---|---|
| Astronomical Twilight Begin | 05:27 |
| Nautical Twilight Begin | 06:02 |
| Civil Twilight Begin | 06:36 |
| Sunrise | 07:05 |
| Sunset | 19:28 |
| Civil Twilight End | 19:57 |
| Nautical Twilight End | 20:32 |
| Astronomical Twilight End | 21:07 |
| Moon Illumination | 52.75% |