condition mean min max 4 h after light 595.2934319999999 554.539749 636.047115 8 h after light 670.4575645 531.340161 809.574968 12 h after light 759.0537975 704.500897 813.606698 4 h after dark 552.410197 347.280329 757.540065 8 h after dark 310.189539 142.66891 477.710168 12 h after dark 412.051817 412.051817 412.051817