condition	mean	min	max
4 h after light	18.4796375	13.077664	23.881611
8 h after light	18.120631	15.962157	20.279105
12 h after light	16.151149500000002	14.459256	17.843043
4 h after dark	14.43984	14.301794	14.577886
8 h after dark	14.174228	13.77057	14.577886
12 h after dark	14.577886	14.577886	14.577886