txts = glob.glob(r'xxx*.txt')
data = np.empty([0, 14])
for txt in txts:
print(txt)
temp_data = np.loadtxt(txt, delimiter=',', skiprows=1, usecols=range(2, 16), encoding='utf-8')
temp = temp_data[temp_data[:, 0] < 70000, :] # Filter area weather stations
data = np.vstack([data, temp])
np.save(r'xxxdata.npy', data)
