condition	mean	min	max
4 h after light	9.71932	9.54692	9.84815
8 h after light	9.801703333333334	9.45514	10.03345
12 h after light	9.610973333333332	9.480369999999999	9.70647
4 h after dark	9.4589	9.25093	9.587589999999999
8 h after dark	9.285336666666668	9.025260000000001	9.50711
12 h after dark	9.21458	9.02	9.435319999999999