| Geyser | 1965-06-30 |
|---|---|
| Blue | 1400 A |
| Colloidal Pool | 1200 |
| Echinus | 0833, 0946, 1101, 1220, 1330, 1442, 1553 |
| Ledge | 0000 A |
| Little Whirligig | 1730 |
| Steamboat | 0800-1330 |
| Values for Old Faithful Area | 1965-06-30 |
|---|---|
| Astronomical Twilight Begin | 03:15 |
| Nautical Twilight Begin | 04:17 |
| Civil Twilight Begin | 05:05 |
| Sunrise | 05:41 |
| Sunset | 21:11 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:36 |
| Astronomical Twilight End | 23:38 |
| Moon Illumination | 1.71% |