condition	mean	min	max
4 h after light	0.50337	0.230123	0.776617
8 h after light	0.6426065000000001	0.519795	0.765418
12 h after light	1.0523285	0.985027	1.11963
4 h after dark	0.572985	0.0	1.0709
8 h after dark	0.618467	0.0	1.20036
12 h after dark	0.6527983333333334	0.0	1.03342