| Geyser | 1931-11-13 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1931-11-13 |
|---|---|
| Astronomical Twilight Begin | 05:35 |
| Nautical Twilight Begin | 06:09 |
| Civil Twilight Begin | 06:45 |
| Sunrise | 07:16 |
| Sunset | 16:59 |
| Civil Twilight End | 17:30 |
| Nautical Twilight End | 18:05 |
| Astronomical Twilight End | 18:39 |
| Moon Illumination | 14.55% |