| Geyser | 1979-08-30 |
|---|---|
| Arsenic | 1205 |
| Constant | 1421 |
| Echinus | 1340, 1630 maj |
| Little Whirligig | 1045, 1159, 1320 |
| Porkchop | 1615 ie |
| Whirligig | 1304 ? A |
| Values for Old Faithful Area | 1979-08-30 |
|---|---|
| Astronomical Twilight Begin | 04:58 |
| Nautical Twilight Begin | 05:36 |
| Civil Twilight Begin | 06:13 |
| Sunrise | 06:43 |
| Sunset | 20:04 |
| Civil Twilight End | 20:34 |
| Nautical Twilight End | 21:11 |
| Astronomical Twilight End | 21:49 |
| Moon Illumination | 44.78% |