| Geyser | 1999-06-05 |
|---|---|
| Constant | 1509, 1859, 1914, 1929, 1958, 2015, 2031 |
| Echinus | 0924, 1235, 1400, 1545 |
| Grand | 0805 E |
| Great Fountain | 0348 E, 1518 E |
| Values for Old Faithful Area | 1999-06-05 |
|---|---|
| Astronomical Twilight Begin | 03:16 |
| Nautical Twilight Begin | 04:16 |
| Civil Twilight Begin | 05:03 |
| Sunrise | 05:39 |
| Sunset | 21:03 |
| Civil Twilight End | 21:39 |
| Nautical Twilight End | 22:27 |
| Astronomical Twilight End | 23:26 |
| Moon Illumination | 69.65% |