condition	mean	min	max
4 h after light	3.5976893333333333	3.447794	3.8357129999999997
8 h after light	2.4918199999999997	1.630898	2.928914
12 h after light	1.7006316666666665	1.508425	1.877403
16 h after light	3.45917	2.89197	4.076001
4 h after dark	2.8449336666666665	2.5825709999999997	3.323389
8 h after dark	1.8174183333333334	1.7198	1.8988459999999998