| Geyser | 1965-08-06 |
|---|---|
| Blue | 1425 |
| Echinus | 0821 A, 0934, 1055, 1216, 1337, 1458, 1619 |
| Ledge | 2300 A |
| Little Whirligig | 0900 ie, 1059 ie, 1428 ie |
| Steamboat | 0830-1545 |
| Values for Old Faithful Area | 1965-08-06 |
|---|---|
| Astronomical Twilight Begin | 04:16 |
| Nautical Twilight Begin | 05:02 |
| Civil Twilight Begin | 05:43 |
| Sunrise | 06:15 |
| Sunset | 20:42 |
| Civil Twilight End | 21:14 |
| Nautical Twilight End | 21:55 |
| Astronomical Twilight End | 22:41 |
| Moon Illumination | 69.59% |