condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0260725 0.0 0.156435 10 h after light 0.013792583333333332 0.0 0.0827555 14 h after light 0.0 0.0 0.0 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0