| Geyser | 1964-08-18 |
|---|---|
| Ebony | 1505 maj |
| Echinus | 0751, 0907, 1022, 1137, 1255, 1413, 1528, 1645 |
| Ledge | 0600 A |
| Values for Old Faithful Area | 1964-08-18 |
|---|---|
| Astronomical Twilight Begin | 03:39 |
| Nautical Twilight Begin | 04:20 |
| Civil Twilight Begin | 04:58 |
| Sunrise | 05:30 |
| Sunset | 19:23 |
| Civil Twilight End | 19:55 |
| Nautical Twilight End | 20:33 |
| Astronomical Twilight End | 21:14 |
| Moon Illumination | 78.14% |