condition mean min max 0 h after light 20.82365 20.6586 20.9887 4 h after light 32.907399999999996 21.9961 43.8187 8 h after light 11.15915 10.9634 11.3549 4 h after dark 15.17315 11.3879 18.9584 8 h after dark 19.009700000000002 17.4927 20.5267 12 h after dark 26.4805 24.2319 28.7291