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8.2.45.62 octave.dataset.sunspot_month

Static Method: out = sunspot_month ()

Monthly Sunspot Data, from 1749 to “Present”

Description

Monthly numbers of sunspots, as from the World Data Center, aka SIDC. This is the version of the data that may occasionally be updated when new counts become available.

Format

month

Month of the observation.

sunspots

Number of sunspots.

Source

WDC-SILSO, Solar Influences Data Analysis Center (SIDC), Royal Observatory of Belgium, Av. Circulaire, 3, B-1180 BRUSSELS. Currently at http://www.sidc.be/silso/datafiles.

Examples

t = octave.dataset.sunspot_month;