condition	mean	min	max
4 h after light	13.934828	13.29177	14.577886
8 h after light	14.8188685	14.38051	15.257227
12 h after light	14.989186	14.577886	15.400486
4 h after dark	15.524897	14.577886	16.471908
8 h after dark	14.524473	13.123711	15.925235
12 h after dark	13.585566	13.585566	13.585566