| Geyser | 1991-02-02 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1991-02-02 |
|---|---|
| Astronomical Twilight Begin | 06:01 |
| Nautical Twilight Begin | 06:35 |
| Civil Twilight Begin | 07:09 |
| Sunrise | 07:40 |
| Sunset | 17:33 |
| Civil Twilight End | 18:04 |
| Nautical Twilight End | 18:38 |
| Astronomical Twilight End | 19:12 |
| Moon Illumination | 88.35% |