| Geyser | 1964-09-14 |
|---|---|
| Blue | 1400 A |
| Echinus | 1800 |
| Little Whirligig | 1800 |
| Whirligig | 1800 |
| Values for Old Faithful Area | 1964-09-14 |
|---|---|
| Astronomical Twilight Begin | 04:21 |
| Nautical Twilight Begin | 04:57 |
| Civil Twilight Begin | 05:32 |
| Sunrise | 06:01 |
| Sunset | 18:35 |
| Civil Twilight End | 19:05 |
| Nautical Twilight End | 19:39 |
| Astronomical Twilight End | 20:15 |
| Moon Illumination | 53.79% |