condition	mean	min	max
2 h after light	27.15886666666667	21.6014	30.8741
6 h after light	18.42055	15.2685	23.2984
10 h after light	17.612716666666667	14.6749	24.2956
14 h after light	17.9694	13.4003	21.2934
18 h after light	19.345416666666665	15.4528	20.805
2 h after dark	22.4428	20.3654	24.3218