Home > Maps and statistics > Hydrological observations > Monthly hydrological statistics Monthly hydrological statistics Monthly hydrological statistics are presented as maps, graphs and tables from selected hydrological observation sites. Statistics are published automatically two months after the end of each month. Statistics may contain uncorrected values (since 2014) due to the automatic procedure. Tables are automatically updated when data are corrected. Monthly hydrological statistics: maps, graphs and tables Published 2016-01-21 at 17:06, updated 2019-12-12 at 12:59 Suomeksi In English Topic: hydrology, rivers, lakes, ice, snow, temperature, surface waters, groundwater level, ground frost, precipitation, water level, river systems, river discharge Publisher: Finnish Environment Institute Share: Feedback for the person in charge Print this page