condition mean min max 3 h after light 0.04415133333333333 0.0 0.132454 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.066133 0.0 0.198399 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0