| Geyser | 1972-02-10 |
|---|---|
| Old Faithful | 0936 short, 1029 long, 1138, 1246 long, 1400 short, 1453 short, 1605 short |
| Values for Old Faithful Area | 1972-02-10 |
|---|---|
| Astronomical Twilight Begin | 05:52 |
| Nautical Twilight Begin | 06:26 |
| Civil Twilight Begin | 07:00 |
| Sunrise | 07:31 |
| Sunset | 17:44 |
| Civil Twilight End | 18:14 |
| Nautical Twilight End | 18:48 |
| Astronomical Twilight End | 19:22 |
| Moon Illumination | 23.96% |