condition	mean	min	max
4 h after light	15.3859	14.1429	16.6289
8 h after light	18.1267	16.663	19.5904
12 h after light	19.524900000000002	19.1534	19.8964
4 h after dark	24.009900000000002	22.778	25.2418
8 h after dark	23.2185	21.2854	25.1516
12 h after dark	20.77385	20.1165	21.4312