condition	mean	min	max
4 h after light	3961.4	3961.4	3961.4
8 h after light	3746.25	3497.5	3995.0
12 h after light	3338.55	3248.1	3429.0
4 h after dark	3750.85	2856.3	4645.4
8 h after dark	3934.85	3802.2	4067.5
12 h after dark	3930.65	3718.8	4142.5