condition	mean	min	max
4 h after light	10.09453	5.45572	16.1478
8 h after light	9.76698	3.30684	13.0404
12 h after light	16.221	10.0187	21.2317
4 h after dark	19.5368	14.9631	23.0275
8 h after dark	8.639443333333332	7.46749	10.8635
12 h after dark	9.480716666666666	7.81531	11.4754