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 0.0 0.0 0.0 12 h after light 0.040289000000000005 0.0 0.0860423 3 h after dark 0.032729633333333334 0.0 0.0981889 6 h after dark 0.026525233333333332 0.0 0.0795757 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0