condition	mean	min	max
4 h after light	15198.4	15198.4	15198.4
8 h after light	15775.8	14728.1	16823.5
12 h after light	15483.900000000001	14960.1	16007.7
4 h after dark	16248.85	14266.3	18231.4
8 h after dark	15855.2	14120.5	17589.9
12 h after dark	14684.5	14289.6	15079.4