| Geyser | 1972-01-06 |
|---|---|
| Old Faithful | 1021 short, 1106 long, 1222 short, 1311 long, 1429 short, 1516 long, 1628 short |
| Values for Old Faithful Area | 1972-01-06 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:50 |
| Civil Twilight Begin | 07:26 |
| Sunrise | 07:59 |
| Sunset | 16:58 |
| Civil Twilight End | 17:31 |
| Nautical Twilight End | 18:07 |
| Astronomical Twilight End | 18:43 |
| Moon Illumination | 70.98% |