| Geyser | 1971-10-22 |
|---|---|
| Beehive | 1628 |
| Castle | 1100 ie |
| Depression | 1319 |
| Grand | 1556 ie |
| Old Faithful | 0827 long, 0939 short, 1026 long, 1134 short, 1355 long, 1508 long, 1612 long |
| Values for Old Faithful Area | 1971-10-22 |
|---|---|
| Astronomical Twilight Begin | 06:09 |
| Nautical Twilight Begin | 06:43 |
| Civil Twilight Begin | 07:17 |
| Sunrise | 07:47 |
| Sunset | 18:28 |
| Civil Twilight End | 18:58 |
| Nautical Twilight End | 19:32 |
| Astronomical Twilight End | 20:05 |
| Moon Illumination | 7.62% |