condition	mean	min	max
4 h after light	10737.3	10737.3	10737.3
8 h after light	13241.85	9480.5	17003.2
12 h after light	16494.15	15961.0	17027.3
4 h after dark	14023.35	12831.6	15215.1
8 h after dark	10997.2	10351.2	11643.2
12 h after dark	7505.4	6481.3	8529.5