condition	mean	min	max
4 h after light	4.797733333333333	4.74218	4.84846
8 h after light	4.83247	4.81036	4.8754
12 h after light	4.799096666666666	4.75915	4.83775
4 h after dark	4.89489	4.844040000000001	4.92966
8 h after dark	4.804259999999999	4.777419999999999	4.85135
12 h after dark	4.7877133333333335	4.73566	4.8152