| Geyser | 1972-10-11 |
|---|---|
| Beehive | 0514 |
| Castle | 1255 |
| Old Faithful | 0815, 0916, 1036, 1144, 1252, 1359, 1514, 1558, 1716 |
| Values for Old Faithful Area | 1972-10-11 |
|---|---|
| Astronomical Twilight Begin | 05:57 |
| Nautical Twilight Begin | 06:31 |
| Civil Twilight Begin | 07:04 |
| Sunrise | 07:33 |
| Sunset | 18:45 |
| Civil Twilight End | 19:15 |
| Nautical Twilight End | 19:48 |
| Astronomical Twilight End | 20:22 |
| Moon Illumination | 13.48% |