condition	mean	min	max
2 h after light	18.507083333333334	13.594	20.8067
6 h after light	18.395583333333335	12.2088	23.7649
10 h after light	15.064975	9.55355	23.2417
14 h after light	15.700520000000001	7.69003	23.1032
18 h after light	15.2465	12.5376	17.1422
2 h after dark	22.39825	15.0254	27.1277