condition	mean	min	max
4 h after light	12.052	11.0236	13.0804
8 h after light	15.770299999999999	15.4994	16.0412
12 h after light	16.896	16.3458	17.4462
4 h after dark	18.20935	17.499	18.9197
8 h after dark	17.89245	17.6136	18.1713
12 h after dark	16.3286	15.6661	16.9911