condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.043916333333333335 0.0 0.131749 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.038828999999999995 0.0 0.116487 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0