condition	mean	min	max
4 h after light	4.95406	4.2626	5.64552
8 h after light	7.578375	7.51616	7.64059
12 h after light	11.147	10.9825	11.3115
4 h after dark	10.709005	8.72191	12.6961
8 h after dark	6.78613	5.95142	7.62084
12 h after dark	10.419215	9.47073	11.3677