condition	mean	min	max
4 h after light	8.6096515	8.427217	8.792086
8 h after light	8.0268355	8.004513	8.049158
12 h after light	8.281712	8.136207	8.427217
4 h after dark	8.8804725	8.1337	9.627245
8 h after dark	7.9053130000000005	7.646853	8.163773
12 h after dark	9.472281	9.472281	9.472281