| Geyser | 1967-07-25 |
|---|---|
| Echinus | 0811 ?, 0942, 1027, 1150, 1230, 1310, 1351, 1430, 1513, 1554, 1631, 1714, 1800 |
| Steamboat | 0800 |
| Tantalus | 0630, 1300, 1535 |
| Veteran | 1035, 1545 |
| Values for Old Faithful Area | 1967-07-25 |
|---|---|
| Astronomical Twilight Begin | 03:53 |
| Nautical Twilight Begin | 04:44 |
| Civil Twilight Begin | 05:28 |
| Sunrise | 06:02 |
| Sunset | 20:57 |
| Civil Twilight End | 21:31 |
| Nautical Twilight End | 22:15 |
| Astronomical Twilight End | 23:06 |
| Moon Illumination | 86.47% |