condition	mean	min	max
4 h after light	8.130586666666666	6.81077	9.73101
8 h after light	8.057863333333334	3.14349	12.0229
12 h after light	10.98096	6.61985	16.3884
4 h after dark	15.2208	11.626	17.6368
8 h after dark	15.0867	14.267	16.1766
12 h after dark	8.817116666666667	7.10497	9.81649