| Geyser | 1967-07-04 |
|---|---|
| Blue | 1437 ie |
| Cistern Spring | 0800 |
| Constant | 1600, 1655 |
| Echinus | 0817, 0905, 0954, 1043, 1131, 1401, 1450, 1539, 1629, 1718 |
| Emerald Spring | 0800 |
| Steamboat | 0800 |
| Veteran | 1010 |
| Values for Old Faithful Area | 1967-07-04 |
|---|---|
| Astronomical Twilight Begin | 03:18 |
| Nautical Twilight Begin | 04:19 |
| Civil Twilight Begin | 05:07 |
| Sunrise | 05:43 |
| Sunset | 21:11 |
| Civil Twilight End | 21:47 |
| Nautical Twilight End | 22:35 |
| Astronomical Twilight End | 23:36 |
| Moon Illumination | 12.23% |