| Geyser | 1976-02-12 |
|---|---|
| Castle | 1043 ie |
| Grand | 1555 |
| Lion | 0920, 1106, 1248 |
| Old Faithful | 0908 long, 1013 long, 1119 long, 1233 long, 1355 long, 1514 long |
| Values for Old Faithful Area | 1976-02-12 |
|---|---|
| Astronomical Twilight Begin | 05:50 |
| Nautical Twilight Begin | 06:24 |
| Civil Twilight Begin | 06:58 |
| Sunrise | 07:28 |
| Sunset | 17:46 |
| Civil Twilight End | 18:16 |
| Nautical Twilight End | 18:51 |
| Astronomical Twilight End | 19:24 |
| Moon Illumination | 85.45% |