condition	mean	min	max
4 h after light	11.98115	10.6039	13.3584
8 h after light	16.0747	15.8109	16.3385
12 h after light	19.36855	18.1051	20.632
4 h after dark	21.386400000000002	20.2814	22.4914
8 h after dark	17.506999999999998	17.1615	17.8525
12 h after dark	16.2232	15.743	16.7034