condition mean min max 0 h after light 0.0892344 0.0594188 0.11905 4 h after light 0.05907365 0.0302717 0.0878756 8 h after light 0.01469645 0.0 0.0293929 4 h after dark 0.10241295 0.0583569 0.146469 8 h after dark 0.14704 0.11704 0.17704 12 h after dark 0.11803175 0.0580465 0.178017