| Geyser | 1989-07-25 |
|---|---|
| Constant | 0933 |
| Echinus | 1004, 1125, 1218, 1312, 1408, 1542, 1617 |
| Fireball | 1014 ie |
| Valentine | 1335 |
| Whirligig | 1352 |
| Values for Old Faithful Area | 1989-07-25 |
|---|---|
| Astronomical Twilight Begin | 03:54 |
| Nautical Twilight Begin | 04:45 |
| Civil Twilight Begin | 05:28 |
| Sunrise | 06:02 |
| Sunset | 20:56 |
| Civil Twilight End | 21:30 |
| Nautical Twilight End | 22:14 |
| Astronomical Twilight End | 23:05 |
| Moon Illumination | 53.57% |