| Geyser | 1977-02-08 |
|---|---|
| Beehive | 1309 |
| Castle | 0945 ie, 1834 |
| Depression | 1022 |
| Old Faithful | 0829, 0945 long, 1055 short, 1145 long, 1302 long, 1421 short, 1504 long, 1630 short, 1724 long, 1835 long |
| Values for Old Faithful Area | 1977-02-08 |
|---|---|
| Astronomical Twilight Begin | 05:54 |
| Nautical Twilight Begin | 06:28 |
| Civil Twilight Begin | 07:02 |
| Sunrise | 07:32 |
| Sunset | 17:42 |
| Civil Twilight End | 18:12 |
| Nautical Twilight End | 18:47 |
| Astronomical Twilight End | 19:20 |
| Moon Illumination | 80.53% |