condition mean min max 3 h after light 0.04204633333333333 0.0 0.126139 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.10195974999999999 0.0 0.2578 3 h after dark 0.07135886666666666 0.0 0.119266 6 h after dark 0.07252546666666666 0.0 0.135666 9 h after dark 0.1457849333333333 0.0 0.367702 12 h after dark 0.537568 0.511768 0.563368