condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.06524966666666666 0.0 0.391498 14 h after light 0.0773135 0.0 0.463881 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0