condition	mean	min	max
4 h after light	9.49671	9.374022	9.619398
8 h after light	9.62462	9.511833	9.737407
12 h after light	9.0826115	8.756809	9.408414
4 h after dark	8.9835365	8.45524	9.511833
8 h after dark	9.144332	8.663517	9.625147
12 h after dark	10.11685	10.11685	10.11685