condition	mean	min	max
4 h after light	3.739598	3.591572	4.0132769999999995
8 h after light	2.8071006666666665	2.085867	3.197737
12 h after light	1.7125733333333333	1.557346	1.953224
16 h after light	3.712222	3.229644	4.275945
4 h after dark	2.952428	2.6284560000000003	3.504177
8 h after dark	1.789881	1.675875	1.9367599999999998