condition mean min max 2 h after light 0.463055 0.0 1.63842 6 h after light 0.7973381666666667 0.0 3.90212 10 h after light 0.24241833333333332 0.0 1.45451 14 h after light 1.1675075 0.0 4.05326 18 h after light 0.4871815 0.0 0.942636 2 h after dark 0.7491855 0.0 1.94779