condition	mean	min	max
4 h after light	1.467805	1.24769	1.68792
8 h after light	1.02747	0.79093	1.26401
12 h after light	0.853319	0.614468	1.09217
4 h after dark	1.0249843333333333	0.867353	1.11495
8 h after dark	1.167897	0.963381	1.41492
12 h after dark	1.48288	1.33655	1.7202