condition	mean	min	max
4 h after light	17.2618	16.2531	18.2705
8 h after light	16.0333	15.3343	16.7323
12 h after light	14.412949999999999	13.2808	15.5451
4 h after dark	17.539166666666667	16.6889	18.6879
8 h after dark	19.293033333333334	18.0349	20.6135
12 h after dark	17.815733333333334	17.3922	18.3189