Statistical analysis of cloud layers and solar irradiations for all seasons in Toyohashi city, JapanTakahiro Bando, Tsubasa Ito, Hayate Wakisaka, Yuki Miyahara, Takeshi Aizawa, Toru Harigai, Hirofumi Takikawa, Motohisa Hiratsuka and Shiro MakiRenew. Energy Environ. Sustain., 8 (2023) 18DOI: https://doi.org/10.1051/rees/2023018