condition	mean	min	max
4 h after light	323.0	323.0	323.0
8 h after light	274.8	271.1	278.5
12 h after light	669.1	439.8	898.4
4 h after dark	682.05	369.5	994.6
8 h after dark	525.25	441.9	608.6
12 h after dark	461.65	434.6	488.7