condition	mean	min	max
4 h after light	8.3677295	7.276357	9.459102
8 h after light	7.5130155	7.085353	7.940678
12 h after light	11.727832	7.864844	15.59082
4 h after dark	7.835471	7.47796	8.192982
8 h after dark	8.080962	7.949303	8.212621
12 h after dark	7.612964	7.612964	7.612964