condition	mean	min	max
4 h after light	1.75138	1.33221	2.17055
8 h after light	2.74956	2.6709	2.82822
12 h after light	2.557775	2.41348	2.70207
4 h after dark	8.698695	8.06915	9.32824
8 h after dark	5.16331	4.61425	5.71237
12 h after dark	4.61029	4.38926	4.83132