condition	mean	min	max
4 h after light	21.69845	20.4796	22.9173
8 h after light	18.38655	17.9838	18.7893
12 h after light	14.735949999999999	14.2467	15.2252
4 h after dark	30.4801	29.1883	31.7719
8 h after dark	30.49345	29.2944	31.6925
12 h after dark	39.24145	35.7382	42.7447