| Geyser | 1970-05-08 |
|---|---|
| Castle | 0918 |
| Grand | 1048 |
| Old Faithful | 0842 long, 0943 long, 1049 short, 1147 long, 1302 short, 1349 long, 1459 long, 1612 short, 1659 |
| Values for Old Faithful Area | 1970-05-08 |
|---|---|
| Astronomical Twilight Begin | 04:03 |
| Nautical Twilight Begin | 04:50 |
| Civil Twilight Begin | 05:31 |
| Sunrise | 06:04 |
| Sunset | 20:35 |
| Civil Twilight End | 21:08 |
| Nautical Twilight End | 21:49 |
| Astronomical Twilight End | 22:36 |
| Moon Illumination | 7.68% |