condition	mean	min	max
3 h after light	18.696475	16.558	20.7415
7 h after light	18.616533333333333	16.6955	20.9834
11 h after light	16.853875	14.0922	21.1322
2 h after dark	16.763291666666667	13.6741	20.7164
6 h after dark	17.52380833333333	14.2968	21.0072
10 h after dark	17.326075	14.8294	21.4466