| Geyser | 1972-01-26 |
|---|---|
| Old Faithful | 1001, 1109 long, 1213 long, 1331 short, 1418 short, 1535 short, 1624 |
| Values for Old Faithful Area | 1972-01-26 |
|---|---|
| Astronomical Twilight Begin | 06:07 |
| Nautical Twilight Begin | 06:41 |
| Civil Twilight Begin | 07:17 |
| Sunrise | 07:48 |
| Sunset | 17:23 |
| Civil Twilight End | 17:54 |
| Nautical Twilight End | 18:29 |
| Astronomical Twilight End | 19:04 |
| Moon Illumination | 80.6% |