| Geyser | 1977-06-03 |
|---|---|
| Africa | 1325 |
| Bear Den | 1040 |
| Constant | 1030 |
| Echinus | 0911, 1222 |
| Splutter Pot | 1605 |
| Whirligig | 1030 |
| Values for Old Faithful Area | 1977-06-03 |
|---|---|
| Astronomical Twilight Begin | 03:18 |
| Nautical Twilight Begin | 04:17 |
| Civil Twilight Begin | 05:04 |
| Sunrise | 05:40 |
| Sunset | 21:02 |
| Civil Twilight End | 21:38 |
| Nautical Twilight End | 22:25 |
| Astronomical Twilight End | 23:24 |
| Moon Illumination | 96.98% |