condition	mean	min	max
4 h after light	1.793885	1.73825	1.84952
8 h after light	2.562145	2.558	2.56629
12 h after light	2.71514	2.41406	3.01622
4 h after dark	2.8961333333333332	2.31551	3.47107
8 h after dark	2.5636933333333336	2.30404	2.84283
12 h after dark	2.4779	2.33982	2.60893