| Geyser | 1959-10-18 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1959-10-18 |
|---|---|
| Astronomical Twilight Begin | 05:05 |
| Nautical Twilight Begin | 05:38 |
| Civil Twilight Begin | 06:12 |
| Sunrise | 06:41 |
| Sunset | 17:35 |
| Civil Twilight End | 18:04 |
| Nautical Twilight End | 18:38 |
| Astronomical Twilight End | 19:12 |
| Moon Illumination | 97.48% |