| Geyser | 1983-08-09 |
|---|---|
| Echinus | 1500, 1542 |
| Spectacle | 2010, 2055, 2059 maj, 2106, 2133, 2149, 2202, 2210, 2214, 2218, 2221, 2235, 2242, 2255, 2338, 2347, 2351 maj |
| Steamvalve Spring | 1215 ie |
| Whirligig | 1700 |
| Values for Old Faithful Area | 1983-08-09 |
|---|---|
| Astronomical Twilight Begin | 04:21 |
| Nautical Twilight Begin | 05:06 |
| Civil Twilight Begin | 05:46 |
| Sunrise | 06:18 |
| Sunset | 20:38 |
| Civil Twilight End | 21:10 |
| Nautical Twilight End | 21:51 |
| Astronomical Twilight End | 22:35 |
| Moon Illumination | 0.33% |