condition	mean	min	max
4 h after light	13.5218725	13.404485	13.63926
8 h after light	13.3561885	12.523223	14.189154
12 h after light	11.430716499999999	9.943856	12.917577
4 h after dark	14.297075	14.12375	14.4704
8 h after dark	15.268601499999999	14.256845	16.280358
12 h after dark	13.827153	13.827153	13.827153