condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.044625 0.0 0.133875 12 h after light 0.0171254 0.0 0.0513762 4 h after dark 0.011247600000000002 0.0 0.0337428 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0