| Geyser | 1963-07-05 |
|---|---|
| Steamboat | 2020 |
| Values for Old Faithful Area | 1963-07-05 |
|---|---|
| Astronomical Twilight Begin | 02:20 |
| Nautical Twilight Begin | 03:20 |
| Civil Twilight Begin | 04:08 |
| Sunrise | 04:44 |
| Sunset | 20:10 |
| Civil Twilight End | 20:47 |
| Nautical Twilight End | 21:34 |
| Astronomical Twilight End | 22:35 |
| Moon Illumination | 97.29% |