condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.027179 0.0 0.163074 10 h after light 0.0 0.0 0.0 14 h after light 0.01598721666666667 0.0 0.0959233 18 h after light 0.03939383333333333 0.0 0.236363 2 h after dark 0.0 0.0 0.0