condition	mean	min	max
4 h after light	9.726385	8.06247	11.3903
8 h after light	2.946235	2.84607	3.0464
12 h after light	2.20324	1.90187	2.50461
4 h after dark	7.6773	7.64617	7.70843
8 h after dark	8.889605	8.50997	9.26924
12 h after dark	10.209995	9.79179	10.6282