| Geyser | 1965-07-12 |
|---|---|
| Cistern Spring | 1800 |
| Echinus | 0844, 0957, 1108, 1221, 1335, 1448, 1603, 1716 |
| Little Whirligig | 1135, 1355 ie |
| Values for Old Faithful Area | 1965-07-12 |
|---|---|
| Astronomical Twilight Begin | 03:30 |
| Nautical Twilight Begin | 04:28 |
| Civil Twilight Begin | 05:14 |
| Sunrise | 05:50 |
| Sunset | 21:07 |
| Civil Twilight End | 21:43 |
| Nautical Twilight End | 22:29 |
| Astronomical Twilight End | 23:26 |
| Moon Illumination | 98.08% |