condition	mean	min	max
4 h after light	14.2309805	14.006184	14.455777
8 h after light	14.6877015	13.850251	15.525152
12 h after light	14.0228925	13.590008	14.455777
4 h after dark	13.9344635	13.315005	14.553922
8 h after dark	15.645476	14.933736	16.357216
12 h after dark	15.17809	15.17809	15.17809