condition	mean	min	max
4 h after light	8.12667	2.96835	13.6812
8 h after light	11.13636	5.19558	17.0316
12 h after light	13.110643333333334	8.47203	17.8465
4 h after dark	14.941266666666666	12.7355	18.5175
8 h after dark	13.135536666666667	9.11711	18.1228
12 h after dark	7.48679	5.99525	9.23014