| Geyser | 1990-06-19 |
|---|---|
| Echinus | 0922, 1220, 1313, 1415, 1520 |
| Fireball | 1340 ie |
| Minute | 1505 |
| Whirligig | 1154 |
| Values for Old Faithful Area | 1990-06-19 |
|---|---|
| Astronomical Twilight Begin | 03:09 |
| Nautical Twilight Begin | 04:12 |
| Civil Twilight Begin | 05:01 |
| Sunrise | 05:38 |
| Sunset | 21:11 |
| Civil Twilight End | 21:47 |
| Nautical Twilight End | 22:36 |
| Astronomical Twilight End | 23:39 |
| Moon Illumination | 17.7% |