Črtomir Perharič Bailey, Faculty of Mathematics and Physics, University of Ljubljana, Ljubljana, Slovenia, Ljubljana, Slovenia, Martin Vodopivec, National Institute of Biology Slovenia, Piran, Slovenia, Gerhard Herndl, University of Vienna, Vienna, Austria, Tinkara Tinta, National Institute of Biology Slovenia, Ljubljana, Slovenia and Matjaž LIčer, Office for Meteorology, Hydrology and Oceanography, Slovenian Environment Agency, Ljubljana, Slovenia, Ljubljana, Slovenia