condition mean min max 3 h after light 2.0453466666666666 1.72966 2.65932 6 h after light 0.029279966666666667 0.0 0.0878399 9 h after light 0.0 0.0 0.0 12 h after light 0.040292 0.0 0.161168 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.373996 0.154133 0.593859