| Geyser | 1967-06-13 |
|---|---|
| Constant | 1717 |
| Dark Cavern | 1108, 1535, 1535, 1544 |
| Ebony | 1725 |
| Echinus | 1048, 1140 |
| Fireball | 1200 |
| Harding | 0800, 1515 A |
| Pearl | 1200 |
| Splutter Pot | 1200 |
| Valentine | 1420 |
| Values for Old Faithful Area | 1967-06-13 |
|---|---|
| Astronomical Twilight Begin | 03:10 |
| Nautical Twilight Begin | 04:13 |
| Civil Twilight Begin | 05:01 |
| Sunrise | 05:37 |
| Sunset | 21:08 |
| Civil Twilight End | 21:45 |
| Nautical Twilight End | 22:33 |
| Astronomical Twilight End | 23:35 |
| Moon Illumination | 26.06% |