| Geyser | 1967-07-06 |
|---|---|
| Echinus | 0847, 0938, 1030, 1400, 1455, 1550, 1644, 1737 |
| Harding | 0815 |
| Steamboat | 0800 |
| Values for Old Faithful Area | 1967-07-06 |
|---|---|
| Astronomical Twilight Begin | 03:21 |
| Nautical Twilight Begin | 04:21 |
| Civil Twilight Begin | 05:09 |
| Sunrise | 05:45 |
| Sunset | 21:10 |
| Civil Twilight End | 21:46 |
| Nautical Twilight End | 22:34 |
| Astronomical Twilight End | 23:34 |
| Moon Illumination | 2.36% |