| Geyser | 2023-04-02 |
|---|---|
| Event Non-Geyser Related | 1743 |
| Values for Old Faithful Area | 2023-04-02 |
|---|---|
| Astronomical Twilight Begin | 05:21 |
| Nautical Twilight Begin | 05:57 |
| Civil Twilight Begin | 06:32 |
| Sunrise | 07:02 |
| Sunset | 19:51 |
| Civil Twilight End | 20:20 |
| Nautical Twilight End | 20:56 |
| Astronomical Twilight End | 21:32 |
| Moon Illumination | 85.4% |