condition	mean	min	max
4 h after light	4.317349999999999	4.1935199999999995	4.48072
8 h after light	4.30169	4.226319999999999	4.441669999999999
12 h after light	4.339106666666667	4.23093	4.5109
4 h after dark	4.320623333333333	4.25819	4.44227
8 h after dark	4.32415	4.21539	4.50729
12 h after dark	4.278493333333333	4.1507	4.4844599999999994