condition	mean	min	max
4 h after light	14.36945	12.8194	15.9195
8 h after light	10.126815	8.45333	11.8003
12 h after light	7.326445	5.84297	8.80992
4 h after dark	7.073355	5.98607	8.16064
8 h after dark	7.818335	7.6128	8.02387
12 h after dark	11.74795	11.397	12.0989