| Geyser | 1982-08-23 |
|---|---|
| Echinus | 0724, 0803, 0840, 0910, 0940, 1023, 1054, 1841, 1919, 1951, 2030, 2102 |
| Morning | 1128 |
| Values for Old Faithful Area | 1982-08-23 |
|---|---|
| Astronomical Twilight Begin | 04:47 |
| Nautical Twilight Begin | 05:27 |
| Civil Twilight Begin | 06:04 |
| Sunrise | 06:35 |
| Sunset | 20:16 |
| Civil Twilight End | 20:46 |
| Nautical Twilight End | 21:24 |
| Astronomical Twilight End | 22:04 |
| Moon Illumination | 20.35% |