condition	mean	min	max
4 h after light	3.119913	2.9856700000000003	3.25758
8 h after light	2.262784	1.539418	2.663565
12 h after light	1.7213066666666668	1.331817	2.148679
16 h after light	3.0437096666666665	2.680149	3.4738339999999996
4 h after dark	2.517881	2.187775	2.92706
8 h after dark	1.600316	1.545052	1.635208