condition	mean	min	max
4 h after light	15.726601	15.234825	16.218377
8 h after light	18.453979500000003	16.16851	20.739449
12 h after light	23.933576000000002	20.336238	27.530914
4 h after dark	22.5954015	18.367529	26.823274
8 h after dark	23.6805625	19.670303	27.690822
12 h after dark	17.106048	17.106048	17.106048