| Geyser | 1957-07-29 |
|---|---|
| No reports yet |
| Values for Old Faithful Area | 1957-07-29 |
|---|---|
| Astronomical Twilight Begin | 03:01 |
| Nautical Twilight Begin | 03:50 |
| Civil Twilight Begin | 04:33 |
| Sunrise | 05:06 |
| Sunset | 19:52 |
| Civil Twilight End | 20:26 |
| Nautical Twilight End | 21:08 |
| Astronomical Twilight End | 21:58 |
| Moon Illumination | 6.6% |