condition	mean	min	max
4 h after light	13.044496666666667	12.83475	13.149870000000002
8 h after light	13.515553333333333	13.379370000000002	13.680060000000001
12 h after light	13.60451	13.567329999999998	13.63982
4 h after dark	13.151209999999999	13.02486	13.29164
8 h after dark	13.023190000000001	12.91463	13.10448
12 h after dark	12.336363333333333	12.14756	12.60919