| Geyser | 1979-10-11 |
|---|---|
| Cistern Spring | 1200 |
| Echinus | 0957, 1049, 1433 maj |
| Emerald Spring | 1200 |
| Little Whirligig | 1330 |
| Mud Spring | 1200 |
| Mystic Spring | 1200 |
| UNNG-NBK-8 | 1200 |
| Whirligig | 1346 |
| Yellow Funnel Spring | 1200 |
| Values for Old Faithful Area | 1979-10-11 |
|---|---|
| Astronomical Twilight Begin | 05:56 |
| Nautical Twilight Begin | 06:30 |
| Civil Twilight Begin | 07:03 |
| Sunrise | 07:33 |
| Sunset | 18:47 |
| Civil Twilight End | 19:16 |
| Nautical Twilight End | 19:49 |
| Astronomical Twilight End | 20:23 |
| Moon Illumination | 66.37% |