condition	mean	min	max
4 h after light	9.158573	8.948263	9.368883
8 h after light	8.785161500000001	8.62206	8.948263
12 h after light	9.0475945	8.948263	9.146926
4 h after dark	8.021743	7.761588	8.281898
8 h after dark	8.6597385	7.692606	9.626871
12 h after dark	8.948263	8.948263	8.948263