condition	mean	min	max
4 h after light	689.1	689.1	689.1
8 h after light	677.0	675.9	678.1
12 h after light	485.85	368.2	603.5
4 h after dark	323.05	285.1	361.0
8 h after dark	329.35	235.8	422.9
12 h after dark	353.25	284.5	422.0