| Geyser | 1979-08-14 |
|---|---|
| Africa | 1105 |
| Arsenic | 1545 |
| Constant | 1038 |
| Dark Cavern | 1104 |
| Echinus | 2050 |
| Little Whirligig | 1108 |
| Whirligig | 1027 |
| Values for Old Faithful Area | 1979-08-14 |
|---|---|
| Astronomical Twilight Begin | 04:30 |
| Nautical Twilight Begin | 05:13 |
| Civil Twilight Begin | 05:53 |
| Sunrise | 06:24 |
| Sunset | 20:31 |
| Civil Twilight End | 21:02 |
| Nautical Twilight End | 21:42 |
| Astronomical Twilight End | 22:25 |
| Moon Illumination | 55.87% |