condition mean min max 4 h after light 0.404529 0.230342 0.578716 8 h after light 0.3830505 0.344764 0.421337 12 h after light 0.8362805 0.798126 0.874435 4 h after dark 1.200169 0.972007 1.36775 8 h after dark 0.9757683333333333 0.692545 1.22692 12 h after dark 0.5707153333333334 0.205623 0.773658