condition	mean	min	max
2 h after light	22.06385	17.9395	26.3964
6 h after light	12.887398333333334	9.97919	16.9876
10 h after light	13.30085	8.96163	22.1235
14 h after light	15.37575	12.3591	18.5965
18 h after light	16.508	13.7223	20.2183
2 h after dark	22.01195	18.9225	24.3549