| Geyser | 1976-02-17 |
|---|---|
| Depression | 0917 |
| Dome | 1140 |
| Lion | 0916, 1014, 1251 |
| Old Faithful | 0922 short, 1026 short, 1119 long, 1239 long, 1346 short, 1441 long, 1559 long |
| Values for Old Faithful Area | 1976-02-17 |
|---|---|
| Astronomical Twilight Begin | 05:43 |
| Nautical Twilight Begin | 06:17 |
| Civil Twilight Begin | 06:51 |
| Sunrise | 07:20 |
| Sunset | 17:53 |
| Civil Twilight End | 18:23 |
| Nautical Twilight End | 18:57 |
| Astronomical Twilight End | 19:31 |
| Moon Illumination | 96.37% |