ENSO Monitoring - THERMOCLINE

A series of plots indicating current and past states of the equatorial thermocline in the Pacific Ocean.    Select desired field from menu at left.

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Data for these analyses was obtained from the US National Centers for Environmental Prediction, Climate Prediction Center.

Aids to interpreting plots:

Definitions
Climatology The long-term average of a given variable, often the 30-year period 1961-1990.
Anomaly The difference between the observed value of a variable and its climatological value.
Percentiles Percentiles represent a ranking of the data over a given base period.  Data in the zeroth percentile have the lowest value in the base period while those at the hundreth percentile have the highest value during the base period.  On some plots the percentiles are displayed from 0 to 1 (the percentiles are divided by 100).