John Apple <-- Header Start
9/21/2005
Duration: 00:00:06 <-- Header End

Time     Body_Temp Thermistor <-- Index
00:00:00 0.00
00:00:01 88.07
00:00:02 88.07
00:00:03 83.90
00:00:04 104.35
00:00:05 85.43
00:00:06 85.43

file = r'Alpha.csv'
meta = pd.read_csv(file, nrows=4, header=None)
df = pd.read_csv(file, skiprows=4)
uncommon = df.loc[(df['Temp'] >= 100)]

with open('Dummy.csv', 'w') as out:
meta.to_csv(out, index=False, header=False)
uncommon.to_csv(out, sep='t', index=False)