condition	mean	min	max
4 h after light	19.40305	17.3444	21.4617
8 h after light	27.0639	26.6656	27.4622
12 h after light	24.817999999999998	22.4114	27.2246
4 h after dark	29.839199999999998	28.9951	30.6833
8 h after dark	21.6884	21.1679	22.2089
12 h after dark	26.1862	24.65	27.7224