| Geyser | 1978-06-01 |
|---|---|
| Constant | 1417 |
| Echinus | 1030:00, 1232:05, 1630 |
| Fireball | 1357 |
| Guardian | 1416 |
| Little Whirligig | 1358 |
| Steamboat | 1200 |
| Whirligig | 1331, 1359 |
| Values for Old Faithful Area | 1978-06-01 |
|---|---|
| Astronomical Twilight Begin | 03:21 |
| Nautical Twilight Begin | 04:19 |
| Civil Twilight Begin | 05:05 |
| Sunrise | 05:41 |
| Sunset | 21:00 |
| Civil Twilight End | 21:36 |
| Nautical Twilight End | 22:22 |
| Astronomical Twilight End | 23:20 |
| Moon Illumination | 19.24% |