| Geyser | 1986-05-02 |
|---|---|
| Fantail | 1545 ie |
| Values for Old Faithful Area | 1986-05-02 |
|---|---|
| Astronomical Twilight Begin | 04:15 |
| Nautical Twilight Begin | 05:00 |
| Civil Twilight Begin | 05:40 |
| Sunrise | 06:12 |
| Sunset | 20:28 |
| Civil Twilight End | 21:00 |
| Nautical Twilight End | 21:40 |
| Astronomical Twilight End | 22:24 |
| Moon Illumination | 38.24% |