| Geyser | 1989-10-22 |
|---|---|
| Echinus | 0929 ie maj, 1234 |
| Porkchop | 1800 |
| Valentine | 1506 ie |
| Whirligig | 1135, 1503 |
| Values for Old Faithful Area | 1989-10-22 |
|---|---|
| Astronomical Twilight Begin | 06:10 |
| Nautical Twilight Begin | 06:44 |
| Civil Twilight Begin | 07:18 |
| Sunrise | 07:47 |
| Sunset | 18:27 |
| Civil Twilight End | 18:57 |
| Nautical Twilight End | 19:31 |
| Astronomical Twilight End | 20:04 |
| Moon Illumination | 43.04% |