condition	mean	min	max
4 h after light	1.0804605	0.967531	1.19339
8 h after light	2.657565	2.39362	2.92151
12 h after light	13.28365	13.1768	13.3905
4 h after dark	13.13525	12.4625	13.808
8 h after dark	5.118505000000001	5.01423	5.22278
12 h after dark	1.96507	1.77604	2.1541