| Geyser | 1976-02-25 |
|---|---|
| Beehive | 1114 |
| Castle | 1215 ie |
| Grand | 1445 ie |
| Lone Star | 1126 |
| Old Faithful | 0935 long, 1043 short, 1200 long, 1310 long, 1422 short |
| Values for Old Faithful Area | 1976-02-25 |
|---|---|
| Astronomical Twilight Begin | 05:31 |
| Nautical Twilight Begin | 06:05 |
| Civil Twilight Begin | 06:38 |
| Sunrise | 07:08 |
| Sunset | 18:04 |
| Civil Twilight End | 18:34 |
| Nautical Twilight End | 19:07 |
| Astronomical Twilight End | 19:41 |
| Moon Illumination | 20.48% |