condition	mean	min	max
4 h after light	8.390253000000001	7.832243	8.948263
8 h after light	8.531754500000002	8.115246	8.948263
12 h after light	8.705512500000001	8.462762	8.948263
4 h after dark	9.904376500000001	8.883568	10.925185
8 h after dark	8.778542999999999	8.27735	9.279736
12 h after dark	9.271494	9.271494	9.271494