condition	mean	min	max
4 h after light	57.11095	56.4049	57.817
8 h after light	39.30235	39.0333	39.5714
12 h after light	29.8056	27.5931	32.0181
4 h after dark	18.992866666666668	18.7381	19.4477
8 h after dark	31.432566666666666	27.349	34.2818
12 h after dark	47.7678	44.6358	49.6336