| Geyser | 1967-04-26 |
|---|---|
| Steamboat | 0000 A |
| Values for Old Faithful Area | 1967-04-26 |
|---|---|
| Astronomical Twilight Begin | 03:29 |
| Nautical Twilight Begin | 04:11 |
| Civil Twilight Begin | 04:50 |
| Sunrise | 05:21 |
| Sunset | 19:20 |
| Civil Twilight End | 19:51 |
| Nautical Twilight End | 20:30 |
| Astronomical Twilight End | 21:12 |
| Moon Illumination | 95.29% |