condition mean min max 0 h after light 4.27346 3.74128 4.80564 2 h after light 1.17418 1.10734 1.24102 4 h after light 0.72065 0.691167 0.750133 8 h after light 1.2483305 0.922031 1.57463 12 h after light 3.78405 3.63973 3.92837 2 h after dark 5.477615 5.33987 5.61536 4 h after dark 7.32154 7.12447 7.51861 8 h after dark 8.863055 8.1623 9.56381 12 h after dark 5.73531 5.49122 5.9794