condition	mean	min	max
4 h after light	16.980674999999998	16.303129	17.658221
8 h after light	20.2100035	18.417736	22.002271
12 h after light	14.5644	13.079051	16.049749
4 h after dark	17.7908295	14.25902	21.322639
8 h after dark	13.221619	10.924848	15.51839
12 h after dark	23.728932	23.728932	23.728932