| Geyser | 1972-02-02 |
|---|---|
| Old Faithful | 0000-2359, 0925, 1036 short, 1120, 1244 short, 1333 long, 1444 long, 1548, 1656 |
| Values for Old Faithful Area | 1972-02-02 |
|---|---|
| Astronomical Twilight Begin | 06:01 |
| Nautical Twilight Begin | 06:35 |
| Civil Twilight Begin | 07:10 |
| Sunrise | 07:41 |
| Sunset | 17:32 |
| Civil Twilight End | 18:03 |
| Nautical Twilight End | 18:38 |
| Astronomical Twilight End | 19:12 |
| Moon Illumination | 91.78% |