| Geyser | 1931-05-02 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1931-05-02 |
|---|---|
| Astronomical Twilight Begin | 03:17 |
| Nautical Twilight Begin | 04:01 |
| Civil Twilight Begin | 04:41 |
| Sunrise | 05:13 |
| Sunset | 19:27 |
| Civil Twilight End | 19:59 |
| Nautical Twilight End | 20:39 |
| Astronomical Twilight End | 21:23 |
| Moon Illumination | 99.99% |