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The information in this table has not been updated since 1965. A better source to check for more current information is:
The Cambridge University Press Handbook of Space Astronomy and Astrophysics

Defining Properties of the U.S. Standard Atmosphere

Geopotential Altitude, H, km Molecular-scale Temperature TM, deg K Geopotential Gradient, L'M, deg K / km Molecular weight, M Kinetic Temperature, T, deg K
0.000 288.15 28.9644 288.15
-6.5
11.000 216.65 28.9644 216.65
0.0
20.000 216.65 28.9644 216.65
+1.0
32.000 228.65 28.9644 228.65
+2.8
47.000 270.65 28.9644 270.65
0.0
52.000 270.65 28.9644 270.65
-2.0
61.000 252.65 28.9644 252.65
-4.0
79.000 180.65 28.9644 180.65
0.0
88.743 180.65 28.9644 180.65


Geometric Altitude, Z, km Molecular-scale Temperature, TM, deg K Geometric Gradient, LM, deg K / km Molecular Weight, M Kinetic Temperature, T, deg K
90 180.65 28.9644 180.65
+3
100 210.65 28.88 210.02
+5
110 260.65 28.56 257.00
+10
120 360.65 28.07 349.49
+20
150 960.65 26.92 892.79
+15
160 1110.65 26.66 1022.2
+10
170 1210.65 26.40 1103.4
+7
190 1350.65 25.5 1205.4
+5
230 1550.65 24.70 1322.3
+4
300 1830.65 22.66 1432.1
+3.3
400 2160.65 19.94 1487.4
+2.6
500 2420.65 17.94 1499.2
+1.7
600 2590.65 16.84 1506.1
+1.1
700 2700.65 16.17 1507.6

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