| Geyser | 1965-07-29 |
|---|---|
| Echinus | 0750, 0911, 1030, 1151, 1311, 1434, 1551 |
| Ledge | 2045 |
| Little Whirligig | 0900, 1050, 1545 |
| Steamboat | 0820-0845 |
| Values for Old Faithful Area | 1965-07-29 |
|---|---|
| Astronomical Twilight Begin | 04:01 |
| Nautical Twilight Begin | 04:50 |
| Civil Twilight Begin | 05:33 |
| Sunrise | 06:06 |
| Sunset | 20:52 |
| Civil Twilight End | 21:26 |
| Nautical Twilight End | 22:08 |
| Astronomical Twilight End | 22:57 |
| Moon Illumination | 0.92% |