| Geyser | 2023-03-28 |
|---|---|
| Event Non-Geyser Related | 1645 |
| Whirligig | 0304:38 E, 0756:38 E, 1354:38 E, 1836:38 E min, 2104:38 E |
| Values for Old Faithful Area | 2023-03-28 |
|---|---|
| Astronomical Twilight Begin | 05:31 |
| Nautical Twilight Begin | 06:07 |
| Civil Twilight Begin | 06:42 |
| Sunrise | 07:11 |
| Sunset | 19:45 |
| Civil Twilight End | 20:14 |
| Nautical Twilight End | 20:49 |
| Astronomical Twilight End | 21:24 |
| Moon Illumination | 41.75% |