| Geyser | 1975-12-08 |
|---|---|
| Beehive | 1706 ie |
| Castle | 1324 ie |
| Giantess | 0911 |
| Lion | 1610 |
| Old Faithful | 0746 long, 0858 long, 1000 long, 1114 short, 1228 long, 1345 long, 1459 short, 1551 long |
| Values for Old Faithful Area | 1975-12-08 |
|---|---|
| Astronomical Twilight Begin | 06:01 |
| Nautical Twilight Begin | 06:36 |
| Civil Twilight Begin | 07:13 |
| Sunrise | 07:46 |
| Sunset | 16:43 |
| Civil Twilight End | 17:16 |
| Nautical Twilight End | 17:53 |
| Astronomical Twilight End | 18:28 |
| Moon Illumination | 28.37% |