condition mean min max 4 h after light 0.1840255 0.130555 0.237496 8 h after light 0.16496 0.141034 0.188886 12 h after light 0.29000000000000004 0.257037 0.322963 4 h after dark 0.708571 0.400912 1.01623 8 h after dark 0.3046715 0.198045 0.411298 12 h after dark 0.3771945 0.222829 0.53156