| Geyser | 1984-09-15 |
|---|---|
| Echinus | 1025 maj, 1141 min, 1205 min |
| UNNG-NBK-8 | 1200 |
| Values for Old Faithful Area | 1984-09-15 |
|---|---|
| Astronomical Twilight Begin | 05:23 |
| Nautical Twilight Begin | 05:59 |
| Civil Twilight Begin | 06:33 |
| Sunrise | 07:02 |
| Sunset | 19:33 |
| Civil Twilight End | 20:02 |
| Nautical Twilight End | 20:37 |
| Astronomical Twilight End | 21:13 |
| Moon Illumination | 79.31% |