condition	mean	min	max
4 h after light	15.337903333333333	5.97701	24.9862
8 h after light	8.455863333333333	4.71159	15.8383
12 h after light	13.9113	8.1797	18.5801
4 h after dark	22.828033333333334	20.4999	26.2559
8 h after dark	15.1548	9.5027	18.8293
12 h after dark	14.4977	12.0417	18.0136