| Geyser | 1972-01-07 |
|---|---|
| Old Faithful | 1001 long, 1119 long, 1222 long, 1337 short, 1440 long, 1555 long |
| Values for Old Faithful Area | 1972-01-07 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:50 |
| Civil Twilight Begin | 07:26 |
| Sunrise | 07:59 |
| Sunset | 16:59 |
| Civil Twilight End | 17:32 |
| Nautical Twilight End | 18:08 |
| Astronomical Twilight End | 18:44 |
| Moon Illumination | 61.93% |