condition	mean	min	max
4 h after light	7.7137325	7.62257	7.804895
8 h after light	8.0736515	7.826489	8.320814
12 h after light	8.2451255	8.074629	8.415622
4 h after dark	8.37817	8.326	8.43034
8 h after dark	9.0840995	7.737925	10.430274
12 h after dark	8.074629	8.074629	8.074629