| Geyser | 1972-02-03 |
|---|---|
| Old Faithful | 1107 long, 1207 long, 1317 short, 1433 short, 1550 short, 1632 |
| Values for Old Faithful Area | 1972-02-03 |
|---|---|
| Astronomical Twilight Begin | 06:00 |
| Nautical Twilight Begin | 06:34 |
| Civil Twilight Begin | 07:09 |
| Sunrise | 07:40 |
| Sunset | 17:34 |
| Civil Twilight End | 18:04 |
| Nautical Twilight End | 18:39 |
| Astronomical Twilight End | 19:13 |
| Moon Illumination | 85.63% |