| Geyser | 1986-08-23 |
|---|---|
| Echinus | 1015, 1128 maj, 1335, 1434, 1545, 1650, 1747 |
| Steamvalve Spring | 1200, 1507 |
| Values for Old Faithful Area | 1986-08-23 |
|---|---|
| Astronomical Twilight Begin | 04:47 |
| Nautical Twilight Begin | 05:27 |
| Civil Twilight Begin | 06:04 |
| Sunrise | 06:35 |
| Sunset | 20:16 |
| Civil Twilight End | 20:46 |
| Nautical Twilight End | 21:24 |
| Astronomical Twilight End | 22:04 |
| Moon Illumination | 86.24% |