| Geyser | 1971-05-08 |
|---|---|
| Beehive | 2222 |
| Castle | 1402 |
| Lion | 0955, 1524 |
| Old Faithful | 1020 long, 1129 long, 1346 short, 1441 short, 1559 short, 1650 long |
| Values for Old Faithful Area | 1971-05-08 |
|---|---|
| Astronomical Twilight Begin | 04:03 |
| Nautical Twilight Begin | 04:50 |
| Civil Twilight Begin | 05:31 |
| Sunrise | 06:04 |
| Sunset | 20:35 |
| Civil Twilight End | 21:07 |
| Nautical Twilight End | 21:48 |
| Astronomical Twilight End | 22:35 |
| Moon Illumination | 95.27% |