condition	mean	min	max
4 h after light	14.662199999999999	13.9195	15.4049
8 h after light	6.595470000000001	6.17011	7.02083
12 h after light	4.2743649999999995	4.24674	4.30199
4 h after dark	7.981716666666666	6.64593	9.08299
8 h after dark	15.2029	14.5828	16.0142
12 h after dark	15.2851	14.5555	15.6676