condition	mean	min	max
4 h after light	16.9849	14.7822	19.1876
8 h after light	13.664449999999999	13.5879	13.741
12 h after light	14.58595	13.5692	15.6027
4 h after dark	16.935033333333333	16.7497	17.0653
8 h after dark	20.238166666666668	18.9325	21.9684
12 h after dark	17.986	17.3101	19.0061