condition mean min max 4 h after light 4.5082450000000005 2.61787 6.39862 8 h after light 4.0360700000000005 3.13192 4.94022 12 h after light 5.803295 4.97068 6.63591 4 h after dark 5.821623333333333 5.04568 6.79903 8 h after dark 6.2474 5.4771 7.43141 12 h after dark 5.283066666666667 4.9488 5.55273