condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.3712026666666667 0.0 0.857807 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.287854 0.0 0.589342 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.097169 0.0 0.291507