condition mean min max 2 h after light 0.37943666666666664 0.142915 0.658756 6 h after light 0.3372315 0.124271 0.539404 10 h after light 0.32397054999999997 0.0781943 0.65505 14 h after light 0.27991503333333334 0.0750802 0.74872 18 h after light 0.4694430833333333 0.0558825 0.688279 2 h after dark 0.47430133333333335 0.191138 0.847102