condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.027846633333333332 0.0 0.0835399 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.03256036666666667 0.0 0.0976811 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0