| Geyser | 1965-07-30 |
|---|---|
| Echinus | 0805, 0903, 1102, 1204, 1300, 1400, 1502, 1600, 1703 |
| Ledge | 0000 A, 2045 |
| Little Whirligig | 0817, 1115 ie, 1320 |
| Steamboat | 0830-1030 |
| Values for Old Faithful Area | 1965-07-30 |
|---|---|
| Astronomical Twilight Begin | 04:03 |
| Nautical Twilight Begin | 04:52 |
| Civil Twilight Begin | 05:34 |
| Sunrise | 06:08 |
| Sunset | 20:51 |
| Civil Twilight End | 21:24 |
| Nautical Twilight End | 22:07 |
| Astronomical Twilight End | 22:55 |
| Moon Illumination | 4.76% |