condition mean min max 4 h after light 5.31897 4.43585 6.20209 8 h after light 2.4922199999999997 2.47959 2.50485 12 h after light 3.767555 2.8597 4.67541 4 h after dark 10.088895 8.66839 11.5094 8 h after dark 9.879175 8.89295 10.8654 12 h after dark 11.1638 10.9137 11.4139