| Geyser | 1971-10-26 |
|---|---|
| Beehive | 1127 |
| Castle | 1502 ie |
| Depression | 1517 |
| Little Cub | 0938, 1036 |
| Old Faithful | 0910 long, 1022 short, 1108 long, 1332 long, 1445 long, 1559 short, 1641 |
| Values for Old Faithful Area | 1971-10-26 |
|---|---|
| Astronomical Twilight Begin | 06:14 |
| Nautical Twilight Begin | 06:48 |
| Civil Twilight Begin | 07:22 |
| Sunrise | 07:52 |
| Sunset | 18:22 |
| Civil Twilight End | 18:52 |
| Nautical Twilight End | 19:26 |
| Astronomical Twilight End | 19:59 |
| Moon Illumination | 39.62% |