condition	mean	min	max
2 h after light	20.37125	13.7499	27.7131
6 h after light	16.80445	13.4615	20.0681
10 h after light	23.024116666666668	14.9257	33.2809
14 h after light	24.51085	18.6582	33.5651
18 h after light	20.641783333333333	11.8088	30.3602
2 h after dark	29.9332	21.2901	53.425