condition	mean	min	max
4 h after light	14.843666666666667	12.2946	18.9448
8 h after light	4.60899	2.20518	6.22722
12 h after light	6.5556600000000005	3.52387	10.2962
4 h after dark	8.09336	6.0171	9.35399
8 h after dark	12.0745	10.7827	14.4362
12 h after dark	12.1487	11.3681	12.7544