condition	mean	min	max
0 h after light	20.35015	19.7323	20.968
4 h after light	18.313850000000002	17.094	19.5337
8 h after light	30.645	29.4382	31.8518
4 h after dark	27.359	26.8334	27.8846
8 h after dark	23.58535	23.3679	23.8028
12 h after dark	17.7421	16.7539	18.7303