condition	mean	min	max
4 h after light	9.919715	8.82303	11.0164
8 h after light	12.91575	12.5483	13.2832
12 h after light	13.00985	12.8076	13.2121
4 h after dark	16.942033333333335	16.3754	17.8732
8 h after dark	14.517733333333334	13.6066	15.3757
12 h after dark	13.405066666666666	12.7996	14.5431