| Geyser | 1979-03-04 |
|---|---|
| Echinus | 1434:11, 1549:45, 1714 |
| Values for Old Faithful Area | 1979-03-04 |
|---|---|
| Astronomical Twilight Begin | 05:19 |
| Nautical Twilight Begin | 05:53 |
| Civil Twilight Begin | 06:26 |
| Sunrise | 06:55 |
| Sunset | 18:14 |
| Civil Twilight End | 18:43 |
| Nautical Twilight End | 19:17 |
| Astronomical Twilight End | 19:50 |
| Moon Illumination | 35.95% |