| Geyser | 1991-05-07 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1991-05-07 |
|---|---|
| Astronomical Twilight Begin | 04:05 |
| Nautical Twilight Begin | 04:51 |
| Civil Twilight Begin | 05:32 |
| Sunrise | 06:05 |
| Sunset | 20:34 |
| Civil Twilight End | 21:06 |
| Nautical Twilight End | 21:47 |
| Astronomical Twilight End | 22:33 |
| Moon Illumination | 47.81% |