import numpy as np
data = np.loadtxt('FreefallData.txt', unpack = True)
s = data[0,:]/1e2
t1 = data[1,:]/1e3
t2 = data[2,:]/1e3
t3 = data[3,:]/1e3
t4 = data[4,:]/1e3
t5 = data[5,:]/1e3
times = data[1:, 0:]/1e3
tmean = np.mean(times, axis = 0)
tstd = np.std(times, axis = 0)
np.savetxt('Freefall_V2.txt', np.c_[s, t1, t2, t3, t4, t5, tmean, tstd], fmt = '%5.5s', header='height [m] t1 t2 t3 t4 t5 tmean tstd [s]')
np.savetxt('Freefall_V3.txt', np.c_[s, tmean, tstd], fmt = '%5.5s', header = 'height [m] tmean tstd [s]')
