condition	mean	min	max
0 h after light	13.64595	12.4179	14.874
4 h after light	8.239550000000001	7.51839	8.96071
8 h after light	10.111139999999999	9.98428	10.238
4 h after dark	15.09505	13.6637	16.5264
8 h after dark	15.0796	13.8524	16.3068
12 h after dark	11.515	10.9883	12.0417