| Geyser | 1965-08-04 |
|---|---|
| Echinus | 0740, 0902, 1020, 1141, 1259, 1419, 1639, 1656 |
| Ledge | 1015 |
| Little Whirligig | 0926 ns, 1520 ie |
| Steamboat | 1200 |
| Values for Old Faithful Area | 1965-08-04 |
|---|---|
| Astronomical Twilight Begin | 04:12 |
| Nautical Twilight Begin | 04:59 |
| Civil Twilight Begin | 05:40 |
| Sunrise | 06:13 |
| Sunset | 20:45 |
| Civil Twilight End | 21:17 |
| Nautical Twilight End | 21:58 |
| Astronomical Twilight End | 22:45 |
| Moon Illumination | 49.99% |