condition	mean	min	max
4 h after light	4.329026666666667	4.24072	4.42552
8 h after light	4.24685	4.14801	4.37119
12 h after light	4.27055	4.2293199999999995	4.31171
4 h after dark	4.226963333333334	4.20399	4.24565
8 h after dark	4.247503333333333	4.179069999999999	4.34071
12 h after dark	4.332893333333333	4.25712	4.47981