The eight edition of the STAHY International Workshop (STAHY 2017) is organised by the former Statistics in Hydrology working group and now International Commission on Statistical Hydrology (ICSH) of the International Association of Hydrological Sciences (IAHS). The STAHY 2017 edition, similarly to previous events, is intended to focus on statistical methods useful for hydrological applications. Statistical methods for analysis of hydrological data has a long history and continues to be an intense research