condition	mean	min	max
0 h after light	8.942105	8.65345	9.23076
4 h after light	4.055485	4.02892	4.08205
8 h after light	2.7806699999999998	2.29886	3.26248
4 h after dark	5.2839	4.72155	5.84625
8 h after dark	7.052490000000001	7.00284	7.10214
12 h after dark	7.366625	6.73156	8.00169