condition mean min max 0 h after light 51.391099999999994 50.2007 52.5815 4 h after light 73.17564999999999 64.3682 81.9831 8 h after light 73.53055 69.8273 77.2338 4 h after dark 50.899249999999995 38.818 62.9805 8 h after dark 50.2652 48.6582 51.8722 12 h after dark 53.2339 45.8512 60.6166