condition mean min max 4 h after light 0.070696 0.0 0.212088 8 h after light 0.07332033333333333 0.0 0.219961 12 h after light 0.063645 0.0 0.190935 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