| Geyser | 1978-05-28 |
|---|---|
| Echinus | 1102, 1219, 1450, 1607, 1721 |
| Vixen | 1302:20, 1305:40, 1306:10, 1307:22, 1308:08, 1309:45 |
| Whirligig | 1608 |
| Values for Old Faithful Area | 1978-05-28 |
|---|---|
| Astronomical Twilight Begin | 03:26 |
| Nautical Twilight Begin | 04:22 |
| Civil Twilight Begin | 05:08 |
| Sunrise | 05:44 |
| Sunset | 20:57 |
| Civil Twilight End | 21:32 |
| Nautical Twilight End | 22:18 |
| Astronomical Twilight End | 23:14 |
| Moon Illumination | 60.17% |