condition	mean	min	max
0 h after light	15.067250000000001	14.7111	15.4234
4 h after light	9.17254	7.19488	11.1502
8 h after light	9.126584999999999	8.08217	10.171
4 h after dark	6.694675	4.39791	8.99144
8 h after dark	4.656795000000001	4.07141	5.24218
12 h after dark	12.255375	9.92075	14.59