| Geyser | 1991-07-14 |
|---|---|
| Crater Spring | 1200 |
| Echinus | 0923, 1005 maj, 1105, 1155, 1230, 1305, 1359, 1413 maj, 1515, 1600, 1650 |
| Vixen | 1105 |
| Yellow Funnel Spring | 1200 |
| Values for Old Faithful Area | 1991-07-14 |
|---|---|
| Astronomical Twilight Begin | 03:33 |
| Nautical Twilight Begin | 04:30 |
| Civil Twilight Begin | 05:16 |
| Sunrise | 05:51 |
| Sunset | 21:06 |
| Civil Twilight End | 21:41 |
| Nautical Twilight End | 22:27 |
| Astronomical Twilight End | 23:24 |
| Moon Illumination | 8.81% |