| Geyser | 1971-10-28 |
|---|---|
| Beehive | 1425 |
| Castle | 1355 ie |
| Lion | 0950, 1135, 1635 |
| North Goggle | 0935 |
| Old Faithful | 0949 long, 1105, 1150 long, 1305 short, 1351 long, 1505 short, 1623 short |
| Values for Old Faithful Area | 1971-10-28 |
|---|---|
| Astronomical Twilight Begin | 06:17 |
| Nautical Twilight Begin | 06:50 |
| Civil Twilight Begin | 07:25 |
| Sunrise | 07:54 |
| Sunset | 18:19 |
| Civil Twilight End | 18:49 |
| Nautical Twilight End | 19:23 |
| Astronomical Twilight End | 19:57 |
| Moon Illumination | 61% |