Statistical analysis of daily precipitation in the Bydgoszcz region Waldemar Bojar, Leszek Knopik, Renata Kuśmierek-Tomaszewska, Jacek Żarski and Wojciech Żarski ITM Web Conf., 23 (2018) 00004 Published online: 07 November 2018 DOI: 10.1051/itmconf/20182300004