condition	mean	min	max
4 h after light	8.412628	7.846475	8.978781
8 h after light	8.538931000000002	8.093889	8.983973
12 h after light	8.278758	8.278758	8.278758
4 h after dark	7.593668	7.528733	7.658603
8 h after dark	8.361025	8.232915	8.489135
12 h after dark	9.213727	9.213727	9.213727