| Geyser | 1970-05-28 |
|---|---|
| Atomizer | 0105 |
| Castle | 1115 |
| Grand | 1530 |
| Old Faithful | 0813 short, 0909 long, 1019 short, 1113 long, 1223 short, 1312 long, 1436 short, 1523 short, 1632 short |
| Riverside | 0822 |
| Values for Old Faithful Area | 1970-05-28 |
|---|---|
| Astronomical Twilight Begin | 03:26 |
| Nautical Twilight Begin | 04:22 |
| Civil Twilight Begin | 05:08 |
| Sunrise | 05:44 |
| Sunset | 20:56 |
| Civil Twilight End | 21:32 |
| Nautical Twilight End | 22:18 |
| Astronomical Twilight End | 23:14 |
| Moon Illumination | 46.51% |