condition	mean	min	max
4 h after light	1.1353365	0.752973	1.5177
8 h after light	0.985363	0.810446	1.16028
12 h after light	0.7491295	0.679105	0.819154
4 h after dark	1.111565	1.0895	1.13363
8 h after dark	1.488805	1.39292	1.58469
12 h after dark	1.222275	1.09048	1.35407