condition	mean	min	max
4 h after light	18.5285	17.9311	19.1259
8 h after light	22.18815	20.4805	23.8958
12 h after light	11.774000000000001	11.5975	11.9505
4 h after dark	14.246233333333333	13.384	15.7236
8 h after dark	15.2096	14.7345	15.7905
12 h after dark	16.303333333333335	13.4767	18.5523