| Geyser | 1964-06-22 |
|---|---|
| Bear Den | 1425, 1950 |
| Ebony | 0915 ? |
| Echinus | 0830, 0949, 1058, 1210, 1316, 1428 |
| Ledge | 1020 |
| Steamboat | 1100 |
| Valentine | 0000 A, 1430 |
| Values for Old Faithful Area | 1964-06-22 |
|---|---|
| Astronomical Twilight Begin | 02:10 |
| Nautical Twilight Begin | 03:13 |
| Civil Twilight Begin | 04:02 |
| Sunrise | 04:38 |
| Sunset | 20:11 |
| Civil Twilight End | 20:48 |
| Nautical Twilight End | 21:37 |
| Astronomical Twilight End | 22:40 |
| Moon Illumination | 93.26% |