Fig. 7: The Coefficient of Variation (CoV) in observations and models.
From: Improved estimates of future precipitation change in climate models

Observations (GPCP; a–c) and models (d–f), for annual (a, d), JJA (b, e), and DJF (c, f). All based on 1979–2014. Model values are multi-model ensemble means (MMEMs).