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. 2010 Apr 5;107(16):7240–7245. doi: 10.1073/pnas.0909075107

Fig. 4.

Fig. 4.

Capacity factor monthly variability for individual wind parks at S2, S10, and for Pgrid, shown as boxplots. The central mark in each box is the median; box edges are the 25th and 75th percentiles. The whiskers extend to the most extreme data-points not considered outliers (approximately ± 2.7σ and 99.3% coverage if data is normally distributed). Outliers are plotted as circles.