condition	mean	min	max
4 h after light	0.512052	0.272395	0.751709
8 h after light	0.46883199999999997	0.416469	0.521195
12 h after light	0.8193900000000001	0.77111	0.86767
4 h after dark	0.9390803333333333	0.734856	1.25951
8 h after dark	0.6898963333333333	0.581224	0.889907
12 h after dark	0.594296	0.37746	0.822134