condition	mean	min	max
4 h after light	8.106874999999999	5.04045	11.1733
8 h after light	6.326605	5.86499	6.78822
12 h after light	22.0816	16.9259	27.2373
4 h after dark	14.21455	13.2173	15.2118
8 h after dark	22.764200000000002	21.1411	24.3873
12 h after dark	17.43	15.9762	18.8838