| Geyser | 1963-07-30 |
|---|---|
| Steamboat | 1215 |
| Values for Old Faithful Area | 1963-07-30 |
|---|---|
| Astronomical Twilight Begin | 03:02 |
| Nautical Twilight Begin | 03:51 |
| Civil Twilight Begin | 04:33 |
| Sunrise | 05:07 |
| Sunset | 19:51 |
| Civil Twilight End | 20:25 |
| Nautical Twilight End | 21:07 |
| Astronomical Twilight End | 21:56 |
| Moon Illumination | 66.21% |