condition	mean	min	max
2 h after light	19.28515	11.6246	23.9227
6 h after light	15.480326666666667	9.18146	23.5297
10 h after light	16.88695	13.8229	24.5263
14 h after light	18.383783333333334	12.8384	24.0001
18 h after light	18.480800000000002	12.3524	27.3313
2 h after dark	22.306716666666667	17.0934	27.2701