Data formats and standards for opportunistic rainfall sensors [version 2; peer review: 2 approved] oleh Martin Fencl, Jafet C. M. Andersson, Roberto Nebuloni, Nico Blettner, Vojtech Bares, Christian Chwala, Greta Cazzaniga, Lotte de Vos, Matteo Colli, Charles Galdies, Abbas El Hachem, Maximilian Graf, Filippo Giannetti, Hai Victor Habi, Dror Jacoby, Jonatan Ostrometzky, Petr Musil, Fabiola Sapienza, Giacomo Roversi, Anna Spackova, Jochen Seidel, Bas Walraven, Remco van de Beek, Xin Zheng, Karina Wilgan