| Geyser | 1991-08-11 |
|---|---|
| Constant | 1414 |
| Echinus | 0915, 1010, 1115, 1215 maj, 1415, 1455 |
| Morning | 0529, 0900, 1228, 1602, 1934, 2305 |
| Values for Old Faithful Area | 1991-08-11 |
|---|---|
| Astronomical Twilight Begin | 04:25 |
| Nautical Twilight Begin | 05:09 |
| Civil Twilight Begin | 05:49 |
| Sunrise | 06:21 |
| Sunset | 20:35 |
| Civil Twilight End | 21:07 |
| Nautical Twilight End | 21:47 |
| Astronomical Twilight End | 22:31 |
| Moon Illumination | 1.94% |