| Geyser | 1972-04-04 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1972-04-04 |
|---|---|
| Astronomical Twilight Begin | 04:16 |
| Nautical Twilight Begin | 04:53 |
| Civil Twilight Begin | 05:28 |
| Sunrise | 05:57 |
| Sunset | 18:54 |
| Civil Twilight End | 19:24 |
| Nautical Twilight End | 19:59 |
| Astronomical Twilight End | 20:36 |
| Moon Illumination | 75.3% |