Spectral maxima in three
annual
TPIs. Values are mainly taken from TPI-noaa-yr-mem output
P(yr)
NOAA
HSST
HAD2
2.9
X
X
X
5.7
X
X
X
9
X
X
X
12-13
X
X
X
19-21
X
X
X
27-29
X
X
X
45-55
X
X
X
80-85
X
X
90-120
X
X