Monthly/Seasonal Climate Composites

Plot seasonal composites (averages) of the mean or anomalies (mean - total mean) of variables from the NCEP reanalysis and other datasets. NCEP data is available from Jan 1948 to Dec 2022 .

Which variable? Level?

Beginning month of season: Ending month:

Enter years for composites (from 1 to 16): e.g. 1972. For seasons that span a year (e.g. DJF), please enter year of the LAST month.

To subtract one set of years from another, use a minus sign (-) before the years that are to be subtracted.

OR Enter range of years: to (optional minus to )

OR List of years: Enter filename:

OR Years from values in Time Series:

If CUSTOM Time Series:

Value to composite on:

Type of comparison:

Lag: Plot composites for months before or after dates chosen

Color? Shading:

Plot type? Mean Anomaly Long Term Mean

Scale plot size (%) Plot contour labels? No Yes

Reverse colorbar? No Yes

Override default contour interval? Interval: Range: low high

Map projection

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