condition	mean	min	max
4 h after light	0.46738349999999995	0.399819	0.534948
8 h after light	1.22763	1.09052	1.36474
12 h after light	1.894685	1.61879	2.17058
4 h after dark	1.6880333333333333	1.56342	1.85168
8 h after dark	0.7881283333333333	0.570723	1.21111
12 h after dark	1.015097	0.741281	1.17871