condition mean min max 0 h after light 21.15915 21.0457 21.2726 2 h after light 18.65675 15.1283 22.1852 4 h after light 16.843249999999998 16.2202 17.4663 8 h after light 12.004750000000001 11.448 12.5615 12 h after light 12.07685 11.1334 13.0203 2 h after dark 19.803 17.443 22.163 4 h after dark 24.148600000000002 23.779 24.5182 8 h after dark 26.2992 23.6715 28.9269 12 h after dark 28.75375 28.6972 28.8103