| Geyser | 1964-08-24 |
|---|---|
| Echinus | 0805, 0935, 1103, 1231, 1400, 1528, 1657 |
| Ledge | 0710 |
| Little Whirligig | 1410 |
| Steamboat | 0720-1415 |
| Sunday | 1800 |
| Valentine | 0000 A, 1435 |
| Values for Old Faithful Area | 1964-08-24 |
|---|---|
| Astronomical Twilight Begin | 03:49 |
| Nautical Twilight Begin | 04:29 |
| Civil Twilight Begin | 05:06 |
| Sunrise | 05:37 |
| Sunset | 19:14 |
| Civil Twilight End | 19:44 |
| Nautical Twilight End | 20:21 |
| Astronomical Twilight End | 21:01 |
| Moon Illumination | 98.77% |