condition	mean	min	max
4 h after light	78.35215	76.9221	79.7822
8 h after light	51.24355	49.9945	52.4926
12 h after light	79.81685	79.1472	80.4865
4 h after dark	104.356	103.176	106.607
8 h after dark	112.10133333333333	108.709	115.958
12 h after dark	106.907	102.693	110.116