| Geyser | 1984-08-24 |
|---|---|
| Branch Spring | 1200 |
| Echinus | 0912:18, 1015:49, 1115:57, 1208:11, 1310:43, 1409:32 |
| Values for Old Faithful Area | 1984-08-24 |
|---|---|
| Astronomical Twilight Begin | 04:49 |
| Nautical Twilight Begin | 05:29 |
| Civil Twilight Begin | 06:06 |
| Sunrise | 06:37 |
| Sunset | 20:13 |
| Civil Twilight End | 20:44 |
| Nautical Twilight End | 21:21 |
| Astronomical Twilight End | 22:01 |
| Moon Illumination | 9.26% |