condition mean min max 4 h after light 0.00715235 0.0 0.0143047 8 h after light 9.05e-11 0.0 1.81e-10 12 h after light 0.0 0.0 0.0 4 h after dark 0.0021994866666666664 0.0 0.00659846 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0