| Geyser | 1931-10-16 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1931-10-16 |
|---|---|
| Astronomical Twilight Begin | 05:02 |
| Nautical Twilight Begin | 05:35 |
| Civil Twilight Begin | 06:09 |
| Sunrise | 06:38 |
| Sunset | 17:39 |
| Civil Twilight End | 18:08 |
| Nautical Twilight End | 18:42 |
| Astronomical Twilight End | 19:15 |
| Moon Illumination | 28.52% |