| Geyser | 1988-06-23 |
|---|---|
| Constant | 1343 |
| Echinus | 0925, 1025, 1101, 1200, 1252, 1342, 1455 A maj, 1642, 1709 |
| Yellow Funnel Spring | 1200 |
| Values for Old Faithful Area | 1988-06-23 |
|---|---|
| Astronomical Twilight Begin | 03:10 |
| Nautical Twilight Begin | 04:13 |
| Civil Twilight Begin | 05:02 |
| Sunrise | 05:39 |
| Sunset | 21:11 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:37 |
| Astronomical Twilight End | 23:40 |
| Moon Illumination | 57.94% |