condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.129016 0.0 0.258032 12 h after light 0.0 0.0 0.0 2 h after dark 0.26963099999999995 0.258528 0.280734 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0