| Geyser | 1965-09-01 |
|---|---|
| Ebony | 1335 |
| Echinus | 0902, 1011, 1117, 1224 A, 1331, 1441, 1548, 1656 |
| Ledge | 1211 |
| Little Whirligig | 0915 ie, 1755 ie |
| Steamboat | 0815-1730 |
| Values for Old Faithful Area | 1965-09-01 |
|---|---|
| Astronomical Twilight Begin | 05:02 |
| Nautical Twilight Begin | 05:40 |
| Civil Twilight Begin | 06:16 |
| Sunrise | 06:46 |
| Sunset | 20:00 |
| Civil Twilight End | 20:30 |
| Nautical Twilight End | 21:06 |
| Astronomical Twilight End | 21:44 |
| Moon Illumination | 34.39% |