condition mean min max 4 h after light 0.67571 0.420108 0.931312 8 h after light 1.148835 1.06401 1.23366 12 h after light 1.2308599999999998 1.1638 1.29792 4 h after dark 1.9109233333333333 1.7716 2.02889 8 h after dark 1.0250933333333334 0.6583 1.27052 12 h after dark 1.2045863333333333 0.864879 1.58834