| Geyser | 1978-07-02 |
|---|---|
| Constant | 1045 |
| Echinus | 0858, 1014, 1132, 1250, 1407, 1526 |
| Little Whirligig | 1025 |
| Steamboat | 1200 |
| Whirligig | 0905, 1000, 1410, 1550 |
| Values for Old Faithful Area | 1978-07-02 |
|---|---|
| Astronomical Twilight Begin | 03:17 |
| Nautical Twilight Begin | 04:18 |
| Civil Twilight Begin | 05:06 |
| Sunrise | 05:43 |
| Sunset | 21:11 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:36 |
| Astronomical Twilight End | 23:37 |
| Moon Illumination | 8.95% |