| Geyser | 1984-08-21 |
|---|---|
| Branch Spring | 1159, 1200 |
| Echinus | 0916:54, 1004:48, 1051:30, 1141:18, 1230:00, 1319:57, 1411:26, 1503:23 |
| Incline | 1200 |
| Values for Old Faithful Area | 1984-08-21 |
|---|---|
| Astronomical Twilight Begin | 04:44 |
| Nautical Twilight Begin | 05:25 |
| Civil Twilight Begin | 06:02 |
| Sunrise | 06:33 |
| Sunset | 20:18 |
| Civil Twilight End | 20:49 |
| Nautical Twilight End | 21:27 |
| Astronomical Twilight End | 22:07 |
| Moon Illumination | 35.63% |