condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.03854933333333333 0.0 0.231296 14 h after light 0.0 0.0 0.0 18 h after light 0.030256333333333333 0.0 0.181538 2 h after dark 0.082705 0.0 0.289255