| Geyser | 1957-04-18 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1957-04-18 |
|---|---|
| Astronomical Twilight Begin | 03:46 |
| Nautical Twilight Begin | 04:26 |
| Civil Twilight Begin | 05:03 |
| Sunrise | 05:33 |
| Sunset | 19:11 |
| Civil Twilight End | 19:41 |
| Nautical Twilight End | 20:19 |
| Astronomical Twilight End | 20:59 |
| Moon Illumination | 83.32% |