condition	mean	min	max
2 h after light	20.263195	9.14837	39.0739
6 h after light	17.37898	8.63288	28.822
10 h after light	15.89749	5.89614	21.0093
14 h after light	15.328243333333333	6.84475	23.011
18 h after light	17.037625	7.88806	35.053
2 h after dark	11.729281666666667	3.59455	22.1077