The table shows treasury yield curve data up to 30 years at 6 month intervals. The values shown in red are from the U.S. Treasury. The rest of the values are from a cubic spline interpolation.

Maturity
(years)
Yield %
2015-01-292015-01-272015-01-262015-01-232015-01-222015-01-212015-01-20
1/120.010.020.020.020.020.010.01
1/40.030.020.030.020.030.030.03
1/20.070.080.080.070.080.080.08
10.170.170.180.170.170.170.17
3/20.330.330.340.330.330.330.33
20.510.540.540.520.530.530.53
5/20.690.720.730.70.730.710.7
30.840.870.890.860.90.870.85
7/20.971.011.031.01.051.010.98
41.091.131.161.121.181.141.1
9/21.191.241.261.231.291.251.21
51.281.341.361.331.391.351.31
11/21.371.431.441.421.481.441.4
61.451.51.521.491.561.521.48
13/21.531.561.581.561.631.61.55
71.591.621.641.621.691.661.61
15/21.641.671.691.671.741.711.66
81.681.711.731.711.781.761.7
17/21.711.741.761.741.821.791.74
91.731.781.781.771.851.821.77
19/21.751.81.811.791.881.851.8
101.771.831.831.811.91.871.82
21/21.791.851.851.831.921.891.84
111.81.881.871.851.941.911.86
23/21.821.91.891.871.961.931.89
121.841.921.911.891.981.951.91
25/21.861.941.921.92.01.971.93
131.871.961.941.922.021.991.94
27/21.891.971.961.942.042.011.96
141.911.991.971.952.052.031.98
29/21.932.011.991.972.072.042.0
151.952.022.01.982.082.062.01
31/21.962.042.022.02.12.082.03
161.982.052.032.012.112.092.04
33/22.02.062.052.032.122.112.06
172.022.082.062.042.142.122.07
35/22.032.092.072.052.152.132.08
182.052.12.092.072.162.152.1
37/22.062.112.12.082.172.162.11
192.082.132.112.092.192.172.12
39/22.12.142.132.112.22.192.14
202.112.152.142.122.212.22.15
41/22.122.162.152.132.222.212.16
212.142.172.172.152.232.232.18
43/22.152.192.182.162.252.242.19
222.162.22.192.172.262.252.2
45/22.182.212.22.192.272.262.21
232.192.222.222.22.282.272.22
47/22.22.242.232.212.32.292.24
242.212.252.242.222.312.32.25
49/22.222.262.262.242.322.312.26
252.232.272.272.252.332.322.27
51/22.242.292.282.262.352.332.28
262.252.32.32.282.362.352.3
53/22.262.312.312.292.372.362.31
272.272.322.322.32.382.372.32
55/22.282.342.332.322.42.382.33
282.292.352.352.332.412.392.34
57/22.32.362.362.342.422.412.35
292.312.372.372.352.432.422.37
59/22.322.392.392.372.452.432.38
302.332.42.42.382.462.442.39