| Geyser | 1972-01-13 |
|---|---|
| Old Faithful | 1045 short, 1137 long, 1300 short, 1346 long, 1505 short |
| Values for Old Faithful Area | 1972-01-13 |
|---|---|
| Astronomical Twilight Begin | 06:13 |
| Nautical Twilight Begin | 06:48 |
| Civil Twilight Begin | 07:25 |
| Sunrise | 07:57 |
| Sunset | 17:06 |
| Civil Twilight End | 17:38 |
| Nautical Twilight End | 18:14 |
| Astronomical Twilight End | 18:49 |
| Moon Illumination | 10.59% |