Values of γ and α as a function of air temperature.
T
a
(
o
C)
γ (mb /
o
C )
1
α
0
0.660
0.68
5
0.663
0.92
10
0.666
1.24
15
0.669
1.64
20
0.672
2.15
25
0.676
2.79
30
0.679
3.59
35
0.682
4.57
40
0.686
5.77
1
At standard (sea level) atmospheric pressure.