sunspots

Monthly Sunspot Numbers, 1749--1983

Monthly mean relative sunspot numbers from 1749 to 1983. Collected at Swiss Federal Observatory, Zurich until 1960, then Tokyo Astronomical Observatory.

Keywords
datasets
Usage
sunspots
Format

A time series of monthly data from 1749 to 1983.

See Also

sunspot.month has a longer (and a bit different) series, sunspot.year is a much shorter one. See there for getting more current sunspot numbers.

Aliases
  • sunspots
Examples
library(datasets) # NOT RUN { require(graphics) plot(sunspots, main = "sunspots data", xlab = "Year", ylab = "Monthly sunspot numbers") # }
Documentation reproduced from package datasets, version 3.4.3, License: Part of R 3.4.3

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