The mean sea level (MSL) trend at Chuuk, Pacific Ocean is (?.??) mm/year with a 95% confidence interval of ±(?.??) mm/year, based on monthly mean sea level data from (19xx) to (20xx). That is equivalent to a change of (?.??) feet in 100 years. (R‑squared = (?))
The plot shows the monthly mean sea level without the regular seasonal fluctuations due to coastal ocean temperatures, salinities, winds, atmospheric pressures, and ocean currents. The long-term linear trend is also shown, in red, along with its 95% confidence interval. The plotted values are relative to the most recent Mean Sea Level datum established by NOAA CO-OPS.
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To change the graph width, resize your browser window and then click:
Data source: ? months from NOAA + ? months from PSMSL.
Click here for a downloadable, bookmarkable image (except in Internet Explorer or Microsoft Edge, use PrtScn, or see NOAA's version, or PSMSL's version.)
For a simple explanation of the meaning of the 95% confidence & prediction interval traces shown in the graph, see this two-minute instructional video, by Dr. Gerard Verschuuren.
To see precise values, hover your mouse cursor over the graph traces (or touch the graph on a touch-screen).
To download the seasonally-adjusted monthly MSL data from NOAA, in CSV format, click here.
We also have a graph of just carbon dioxide (CO2) levels, and a combined graph of CO2 and CH4.
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