| Geyser | 1967-08-16 |
|---|---|
| Echinus | 0805 A, 0852, 0934 A, 1017, 1100, 1144, 1353, 1436, 1518, 1602, 1645 |
| Values for Old Faithful Area | 1967-08-16 |
|---|---|
| Astronomical Twilight Begin | 04:34 |
| Nautical Twilight Begin | 05:16 |
| Civil Twilight Begin | 05:55 |
| Sunrise | 06:26 |
| Sunset | 20:28 |
| Civil Twilight End | 20:59 |
| Nautical Twilight End | 21:38 |
| Astronomical Twilight End | 22:20 |
| Moon Illumination | 84.31% |