| Geyser | 1965-08-23 |
|---|---|
| Echinus | 0859, 1015, 1134, 1251, 1528 |
| Ledge | 0000 A, 2206 |
| Little Whirligig | 1800 |
| Steamboat | 0800 |
| Values for Old Faithful Area | 1965-08-23 |
|---|---|
| Astronomical Twilight Begin | 04:47 |
| Nautical Twilight Begin | 05:27 |
| Civil Twilight Begin | 06:04 |
| Sunrise | 06:35 |
| Sunset | 20:16 |
| Civil Twilight End | 20:46 |
| Nautical Twilight End | 21:24 |
| Astronomical Twilight End | 22:04 |
| Moon Illumination | 17.64% |