condition	mean	min	max
4 h after light	5.76548	5.691	5.88771
8 h after light	5.6858699999999995	5.52267	5.86263
12 h after light	5.537603333333333	5.45602	5.62967
4 h after dark	5.69444	5.655390000000001	5.76888
8 h after dark	5.516816666666666	5.3568	5.60228
12 h after dark	5.73521	5.6626900000000004	5.80704