condition	mean	min	max
4 h after light	23.138350000000003	20.657	25.6197
8 h after light	12.3371	11.8285	12.8457
12 h after light	11.5959	11.1663	12.0255
4 h after dark	14.0763	11.4368	16.8612
8 h after dark	30.355033333333335	28.7497	32.2012
12 h after dark	21.469366666666666	19.1217	22.6459