| Geyser | 1965-06-21 |
|---|---|
| Bear Den | 1800 |
| Ebony | 1509 maj |
| Echinus | 0917, 1027, 1136, 1343, 1450, 1550, 1652 |
| Steamboat | 0800-1520 |
| Values for Old Faithful Area | 1965-06-21 |
|---|---|
| Astronomical Twilight Begin | 03:09 |
| Nautical Twilight Begin | 04:13 |
| Civil Twilight Begin | 05:01 |
| Sunrise | 05:38 |
| Sunset | 21:11 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:37 |
| Astronomical Twilight End | 23:40 |
| Moon Illumination | 59.75% |