condition	mean	min	max
4 h after light	3.904355	3.32686	4.48185
8 h after light	4.871135	4.76767	4.9746
12 h after light	7.07452	6.8705	7.27854
4 h after dark	7.79247	7.68448	7.90046
8 h after dark	7.52156	7.51792	7.5252
12 h after dark	5.794175	5.19702	6.39133