condition	mean	min	max
4 h after light	319.9	319.9	319.9
8 h after light	278.8	264.0	293.6
12 h after light	391.2	259.9	522.5
4 h after dark	409.4	383.2	435.6
8 h after dark	412.6	377.4	447.8
12 h after dark	407.7	345.2	470.2