condition	mean	min	max
4 h after light	12.0485615	11.957246	12.139877
8 h after light	12.691438	12.207429	13.175447
12 h after light	15.809695000000001	14.794454	16.824936
4 h after dark	12.006484	11.261286	12.751682
8 h after dark	12.236146000000002	11.524029	12.948263
12 h after dark	12.504595	12.504595	12.504595