condition mean min max 0 h after light 1.16228 1.13144 1.19312 4 h after light 4.740425 3.17048 6.31037 8 h after light 2.809455 2.73956 2.87935 4 h after dark 2.1530899999999997 1.90828 2.3979 8 h after dark 1.767255 1.6715 1.86301 12 h after dark 2.510915 2.20038 2.82145