import numpy as np
from scipy.signal import argrelextrema

dat = np.genfromtxt("numbers.dat")
print argrelextrema(dat[:], np.greater, order=6)

78.75
81.0                                                                                                                                
83.25
85.5
87.75
89.25
91.5
93.0
94.5
96.75
98.25
99.75
101.25
102.0
103.5
104.25
105.75
106.5
107.25
108.0
108.75
108.75
109.5
109.5
109.5
109.5
109.5
109.5
109.5
108.75
108.75
108.0
107.25
106.5
105.75
105.0
104.25
102.75
102.0
100.5
99.0
97.5
96.0
94.5
93.0
90.75
89.25
87.0
84.75
82.5