| Geyser | 1979-06-05 |
|---|---|
| Bear Den | 1125 |
| Echinus | 1330, 1500 |
| Little Whirligig | 1105 |
| Porkchop | 1420 ie |
| Values for Old Faithful Area | 1979-06-05 |
|---|---|
| Astronomical Twilight Begin | 03:16 |
| Nautical Twilight Begin | 04:16 |
| Civil Twilight Begin | 05:03 |
| Sunrise | 05:39 |
| Sunset | 21:03 |
| Civil Twilight End | 21:39 |
| Nautical Twilight End | 22:26 |
| Astronomical Twilight End | 23:26 |
| Moon Illumination | 71.59% |