| Geyser | 1991-08-22 |
|---|---|
| Blue | 1200 |
| Constant | 1500 |
| Echinus | 0911, 1018, 1124, 1220, 1325, 1430 maj, 1620 |
| Incline | 1200 |
| Morning | 0225 E, 0611, 0937, 1311, 1710, 2053 |
| Values for Old Faithful Area | 1991-08-22 |
|---|---|
| Astronomical Twilight Begin | 04:45 |
| Nautical Twilight Begin | 05:25 |
| Civil Twilight Begin | 06:03 |
| Sunrise | 06:34 |
| Sunset | 20:18 |
| Civil Twilight End | 20:49 |
| Nautical Twilight End | 21:26 |
| Astronomical Twilight End | 22:07 |
| Moon Illumination | 91.02% |