| Geyser | 1968-09-19 |
|---|---|
| Bear Den | 0845 A, 1530 |
| Ebony | 1530 |
| Echinus | 1100, 1130, 1203, 1415 |
| Link | 1400 maj |
| Splendid | 2100 A |
| Steamboat | 1800 |
| Values for Old Faithful Area | 1968-09-19 |
|---|---|
| Astronomical Twilight Begin | 05:28 |
| Nautical Twilight Begin | 06:04 |
| Civil Twilight Begin | 06:38 |
| Sunrise | 07:07 |
| Sunset | 19:26 |
| Civil Twilight End | 19:55 |
| Nautical Twilight End | 20:29 |
| Astronomical Twilight End | 21:04 |
| Moon Illumination | 11.92% |