| Geyser | 1980-06-12 |
|---|---|
| Africa | 1230 |
| Bear Den | 0900, 1008, 1045, 1130 |
| Corporal | 1200 |
| Echinus | 1320, 1343, 1411, 1442 |
| Splutter Pot | 1200 |
| Veteran | 1414 |
| Values for Old Faithful Area | 1980-06-12 |
|---|---|
| Astronomical Twilight Begin | 03:10 |
| Nautical Twilight Begin | 04:13 |
| Civil Twilight Begin | 05:01 |
| Sunrise | 05:37 |
| Sunset | 21:08 |
| Civil Twilight End | 21:44 |
| Nautical Twilight End | 22:33 |
| Astronomical Twilight End | 23:35 |
| Moon Illumination | 0.5% |