condition	mean	min	max
4 h after light	35.223755000000004	30.702819	39.744691
8 h after light	25.3735175	21.783434	28.963601
12 h after light	28.6804305	20.709571	36.65129
4 h after dark	17.28009	13.969681	20.590499
8 h after dark	19.1810985	18.256173	20.106024
12 h after dark	54.654802	54.654802	54.654802