condition	mean	min	max
4 h after light	9.082975000000001	8.32909	9.83686
8 h after light	16.33415	16.1176	16.5507
12 h after light	32.95715	29.9971	35.9172
4 h after dark	44.02345	43.2397	44.8072
8 h after dark	25.34785	25.2145	25.4812
12 h after dark	19.3001	19.0126	19.5876