condition	mean	min	max
0 h after light	7.05705	6.96362	7.15048
4 h after light	9.53333	8.61066	10.456
8 h after light	15.574749999999998	15.0362	16.1133
4 h after dark	13.577449999999999	11.9238	15.2311
8 h after dark	11.2286	11.2217	11.2355
12 h after dark	8.194165	8.17657	8.21176