| Geyser | 1959-09-17 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1959-09-17 |
|---|---|
| Astronomical Twilight Begin | 04:24 |
| Nautical Twilight Begin | 05:00 |
| Civil Twilight Begin | 05:34 |
| Sunrise | 06:04 |
| Sunset | 18:31 |
| Civil Twilight End | 19:00 |
| Nautical Twilight End | 19:35 |
| Astronomical Twilight End | 20:10 |
| Moon Illumination | 99.93% |