condition	mean	min	max
4 h after light	14.288233333333332	13.0162	14.9414
8 h after light	11.767710000000001	3.64263	18.0329
12 h after light	11.7228	6.0965	18.4057
4 h after dark	14.12331	8.80513	19.0244
8 h after dark	14.103233333333334	12.7547	16.0248
12 h after dark	15.9742	14.2327	18.7929