condition	mean	min	max
4 h after light	12.397843333333334	12.284880000000001	12.54055
8 h after light	12.207180000000001	12.12761	12.31778
12 h after light	12.18257	12.1134	12.24713
4 h after dark	12.277416666666666	12.16054	12.42415
8 h after dark	12.356283333333334	12.31964	12.39242
12 h after dark	12.42872	12.27983	12.61195