condition	mean	min	max
4 h after light	6.221585	5.92575	6.51742
8 h after light	7.227919999999999	6.94126	7.51458
12 h after light	13.0611	12.2757	13.8465
4 h after dark	14.028500000000001	13.3992	14.6578
8 h after dark	12.6494	11.9003	13.3985
12 h after dark	11.576799999999999	11.029	12.1246