| Geyser | 1965-09-08 |
|---|---|
| Echinus | 0900 ?, 1019, 1146, 1309, 1441, 1616, 1746 |
| Ledge | 0800-1500 |
| Steamboat | 1800 |
| Values for Old Faithful Area | 1965-09-08 |
|---|---|
| Astronomical Twilight Begin | 05:12 |
| Nautical Twilight Begin | 05:49 |
| Civil Twilight Begin | 06:24 |
| Sunrise | 06:54 |
| Sunset | 19:47 |
| Civil Twilight End | 20:17 |
| Nautical Twilight End | 20:52 |
| Astronomical Twilight End | 21:29 |
| Moon Illumination | 93.14% |