| Geyser | 1982-09-23 |
|---|---|
| Arsenic | 1252 ie |
| Blue | 1200 |
| Cistern Spring | 1415 |
| Echinus | 1420, 1457, 1538, 1616, 1653 |
| Giantess | 1247 |
| Steamvalve Spring | 1331 ie, 1640 ns |
| Whirligig | 1002, 1110, 1205, 1416, 1525, 1636 |
| Values for Old Faithful Area | 1982-09-23 |
|---|---|
| Astronomical Twilight Begin | 05:33 |
| Nautical Twilight Begin | 06:08 |
| Civil Twilight Begin | 06:42 |
| Sunrise | 07:11 |
| Sunset | 19:19 |
| Civil Twilight End | 19:48 |
| Nautical Twilight End | 20:22 |
| Astronomical Twilight End | 20:57 |
| Moon Illumination | 32.06% |