condition	mean	min	max
4 h after light	18.46725	16.6915	20.243
8 h after light	21.549599999999998	20.9922	22.107
12 h after light	22.3241	21.7406	22.9076
4 h after dark	28.3858	27.7104	29.503
8 h after dark	30.970033333333333	23.5887	35.2213
12 h after dark	26.040466666666667	21.4374	34.4483