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. 2013 Oct 8;3:2892. doi: 10.1038/srep02892

Figure 2.

Figure 2

(a) Seasonally stratified anomaly correlation coefficients (ACC) of the persistence (lag auto-correlation of observation) for three months averaged Ningaloo Niño Index along a fixed start time in 1984–2011. Value of 0.6 is shown by thick black line. (b) Seasonally stratified route mean square errors (RMSE) of the persistence for the NNI in 1984–2011 (°C). Value of 0.4 is shown by thick black line. (c) Same as (a), but for SINTEX-F1 prediction. (d) Same as (b), but for SINTEX-F1 prediction normalized by the seasonal standard deviation of the observed Ningaloo Niño Index. Value of 0.5 is shown by thick black line.