condition	mean	min	max
4 h after light	2.149435	1.63126	2.66761
8 h after light	2.255635	2.02177	2.4895
12 h after light	4.715935	4.56528	4.86659
4 h after dark	8.01355	7.36011	9.11163
8 h after dark	4.234366666666666	3.75155	4.65065
12 h after dark	3.1950333333333334	2.68838	3.70282