condition	mean	min	max
4 h after light	8981.3	8981.3	8981.3
8 h after light	9907.4	9450.3	10364.5
12 h after light	10608.3	10441.5	10775.1
4 h after dark	11559.7	11054.9	12064.5
8 h after dark	12684.85	12146.1	13223.6
12 h after dark	11444.85	10561.2	12328.5