condition	mean	min	max
4 h after light	4.27326	4.24336	4.31177
8 h after light	4.273323333333333	4.1870199999999995	4.33407
12 h after light	4.23057	4.18236	4.2880199999999995
4 h after dark	4.334616666666667	4.25994	4.39588
8 h after dark	4.2621400000000005	4.141	4.3836900000000005
12 h after dark	4.270336666666666	4.20745	4.37611