| Geyser | 1995-04-11 |
|---|---|
| Event Non-Geyser Related | 1995-04-09 0000-1995-04-12 2359 |
| Values for Old Faithful Area | 1995-04-11 |
|---|---|
| Astronomical Twilight Begin | 05:02 |
| Nautical Twilight Begin | 05:40 |
| Civil Twilight Begin | 06:16 |
| Sunrise | 06:46 |
| Sunset | 20:02 |
| Civil Twilight End | 20:32 |
| Nautical Twilight End | 21:08 |
| Astronomical Twilight End | 21:46 |
| Moon Illumination | 78.51% |