Years 2018 - 19 2019 - 20 2020 - 21 2021 - 22
Non-corrected total evaporation (mm) - 446 456 423
Corrected annual evaporation (mm) see Sect. 3.3 - 555 656 559
Ice cover period (days) - 145 133 119
Turbine outflow volume (km3) 6.1 7.4 5.6 8.5
Temperature anomaly (°C) -0.4 -0.4 +0.7 +3.5
Wind speed anomaly (m s−1) +0.01 +0.2 +0.03 +0.03
Total net radiation (MJ m−2) - 1844 2046 1970