condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 4 h after dark 0.012279133333333333 0.0 0.0368374 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0