| Geyser | 1979-10-14 |
|---|---|
| Echinus | 1103, 1510 |
| Values for Old Faithful Area | 1979-10-14 |
|---|---|
| Astronomical Twilight Begin | 06:00 |
| Nautical Twilight Begin | 06:33 |
| Civil Twilight Begin | 07:07 |
| Sunrise | 07:36 |
| Sunset | 18:41 |
| Civil Twilight End | 19:11 |
| Nautical Twilight End | 19:44 |
| Astronomical Twilight End | 20:18 |
| Moon Illumination | 37.16% |