condition mean min max 4 h after light 14.29335 13.7317 14.855 8 h after light 14.185099999999998 13.7213 14.6489 12 h after light 17.85585 16.7033 19.0084 4 h after dark 19.97275 19.1045 20.841 8 h after dark 20.04015 18.5422 21.5381 12 h after dark 18.441200000000002 18.004 18.8784