| Geyser | 1988-05-25 |
|---|---|
| Deep Blue | 0947, 1010, 1036, 1108, 1124, 1153 |
| Drain | 1042, 1201 |
| Fire Hose | 0500-1200 |
| Kaleidoscope | 0945-1200 |
| Values for Old Faithful Area | 1988-05-25 |
|---|---|
| Astronomical Twilight Begin | 03:30 |
| Nautical Twilight Begin | 04:25 |
| Civil Twilight Begin | 05:10 |
| Sunrise | 05:45 |
| Sunset | 20:54 |
| Civil Twilight End | 21:29 |
| Nautical Twilight End | 22:15 |
| Astronomical Twilight End | 23:09 |
| Moon Illumination | 64.49% |