condition	mean	min	max
2 h after light	19.109849999999998	10.1871	33.5237
6 h after light	13.260346666666667	9.50638	23.5098
10 h after light	16.63724	9.64054	25.2055
14 h after light	13.245648333333333	8.29726	26.5887
18 h after light	14.928333333333333	8.6219	22.7553
2 h after dark	14.33386	9.88716	17.227