Table 1.

Frequencies discovered for different spectral analysis methods.

Periodicity	Theoretical	Fourier	Wavelet	Hilbert-Huang
12 h	730	730	726	730
24 h	365	365	367	365
2 days	182.5			183
4 days	91.25		106	91
1 week	52.14	52.00	52.00	52.00
1 month	12		9.2	12
2 months	6			6
12 weeks	4.35		4.60	4.35
6 months	2	2	2	2
12 months	1	1		1
40 months	0.30		0.40	0.30