| Geyser | 1983-06-02 |
|---|---|
| Echinus | 0930, 1010, 1049, 1245 ie |
| Graceful | 1245 ie, 1251, 1302, 1315 |
| Steamvalve Spring | 1134 ie |
| Values for Old Faithful Area | 1983-06-02 |
|---|---|
| Astronomical Twilight Begin | 03:20 |
| Nautical Twilight Begin | 04:18 |
| Civil Twilight Begin | 05:05 |
| Sunrise | 05:41 |
| Sunset | 21:01 |
| Civil Twilight End | 21:37 |
| Nautical Twilight End | 22:23 |
| Astronomical Twilight End | 23:22 |
| Moon Illumination | 65.31% |