condition mean min max 0 h after light 1.415395 1.31819 1.5126 2 h after light 4.3468800000000005 3.68 5.01376 4 h after light 4.95177 4.53757 5.36597 8 h after light 15.8144 15.7101 15.9187 12 h after light 23.103749999999998 22.2815 23.926 2 h after dark 22.0913 22.0103 22.1723 4 h after dark 14.89275 14.1227 15.6628 8 h after dark 7.313485 4.86095 9.76602 12 h after dark 3.24729 2.95778 3.5368