condition mean min max 4 h after light 1.662155 1.59016 1.73415 8 h after light 1.2112500000000002 1.08003 1.34247 12 h after light 1.585405 1.48102 1.68979 4 h after dark 2.1706933333333334 1.87528 2.50928 8 h after dark 2.64966 2.55794 2.69782 12 h after dark 1.5328833333333334 1.31812 1.68643