condition mean min max 4 h after light 0.1428684 0.0949548 0.190782 8 h after light 0.0844915 0.011608 0.157375 12 h after light 0.15309725 0.0889795 0.217215 4 h after dark 0.19410866666666668 0.153014 0.226831 8 h after dark 0.10466020000000001 0.0501991 0.179712 12 h after dark 0.24319 0.134166 0.418325