| Geyser | 1974-06-26 |
|---|---|
| Constant | 1040, 1254 |
| Echinus | 0920, 1045, 1206, 1358, 1528 |
| Ledge | 1159 |
| Little Whirligig | 1120 |
| Whirligig | 1045, 1221 |
| Values for Old Faithful Area | 1974-06-26 |
|---|---|
| Astronomical Twilight Begin | 03:11 |
| Nautical Twilight Begin | 04:14 |
| Civil Twilight Begin | 05:03 |
| Sunrise | 05:40 |
| Sunset | 21:12 |
| Civil Twilight End | 21:48 |
| Nautical Twilight End | 22:37 |
| Astronomical Twilight End | 23:40 |
| Moon Illumination | 43.83% |