condition mean min max 4 h after light 155.024245 110.462826 199.585664 8 h after light 118.44257250000001 102.638537 134.246608 12 h after light 71.502456 58.435815 84.569097 4 h after dark 46.035047 27.709682 64.360412 8 h after dark 25.956340500000003 15.996883 35.915798 12 h after dark 42.995557 42.995557 42.995557