condition	mean	min	max
4 h after light	15.825147	13.460328	18.189966
8 h after light	15.9159	14.273175	17.558625
12 h after light	14.468931	13.868637	15.069225
4 h after dark	14.5197465	13.22983	15.809663
8 h after dark	14.681255499999999	14.550087	14.812424
12 h after dark	13.844453	13.844453	13.844453