condition	mean	min	max
4 h after light	1.1645919999999998	0.928904	1.40028
8 h after light	0.7945325	0.705793	0.883272
12 h after light	0.7147095	0.514656	0.914763
4 h after dark	0.573709	0.406738	0.83008
8 h after dark	2.15363	2.01084	2.29834
12 h after dark	1.593229	0.591087	2.98519