condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.029408733333333333 0.0 0.0669205 4 h after dark 0.0723095 0.0 0.142213 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0554872 0.0 0.0942332