condition	mean	min	max
4 h after light	7.3051433333333335	2.02159	13.827
8 h after light	4.8648766666666665	1.12289	8.35085
12 h after light	4.02268	2.9036	5.22508
4 h after dark	7.212443333333334	5.36596	8.37341
8 h after dark	7.68063	3.0504	11.8142
12 h after dark	10.374979999999999	8.47445	12.9591