condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0323716 0.0 0.0971148 9 h after light 0.026926033333333335 0.0 0.0807781 12 h after light 0.0 0.0 0.0 3 h after dark 0.039365333333333336 0.0 0.118096 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0