| Geyser | 1965-09-13 |
|---|---|
| Echinus | 0854, 1014, 1136, 1420, 1540 |
| Ledge | 1545 A |
| Little Whirligig | 1800 |
| Steamboat | 0800-1550 |
| Values for Old Faithful Area | 1965-09-13 |
|---|---|
| Astronomical Twilight Begin | 05:20 |
| Nautical Twilight Begin | 05:56 |
| Civil Twilight Begin | 06:30 |
| Sunrise | 07:00 |
| Sunset | 19:38 |
| Civil Twilight End | 20:07 |
| Nautical Twilight End | 20:42 |
| Astronomical Twilight End | 21:18 |
| Moon Illumination | 94.99% |