condition	mean	min	max
2 h after light	21.8403	17.0046	26.0741
6 h after light	14.950066666666666	11.0876	18.3329
10 h after light	14.05735	10.3639	22.2268
14 h after light	16.34073666666667	9.83752	20.9705
18 h after light	16.50135	10.9928	24.5902
2 h after dark	25.19865	19.6008	33.9652