condition mean min max 4 h after light 7.137955 5.44791 8.828 8 h after light 7.2458 6.97347 7.51813 12 h after light 11.436150000000001 11.0051 11.8672 4 h after dark 14.004433333333333 13.4191 14.7563 8 h after dark 11.011063333333334 9.50479 11.8106 12 h after dark 9.12544 5.61147 12.0