condition	mean	min	max
0 h after light	2.034935	1.80704	2.26283
4 h after light	0.829001	0.767182	0.89082
8 h after light	1.653875	1.07302	2.23473
4 h after dark	2.66737	2.66211	2.67263
8 h after dark	1.042535	1.03816	1.04691
12 h after dark	1.19161	1.02976	1.35346