data = [('0', '0'), ('0.001', '0.108'), ('0.002', '0.105'), ('0.003', '0.109'), ('0.004', '0.105'), ('0.005', '0.103'), ('0.006', '0.107'), ('0.007', '0.111'), ('0.008', '0.110'), ('0.009', '0.108'), ('0.01', '0.109')]
data_gte = [tuple(float(x) for x in d ) for d in data if float(d[1]) >= 0.108]
print(data_gte)