condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.7932733333333334 0.0 2.37982 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 0.0 0.0 0.0 9 h after dark 2.3981 0.0 7.1943 12 h after dark 1.072825 0.0 2.14565