condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.08875499999999999 0.0 0.266265 9 h after light 0.0 0.0 0.0 12 h after light 0.034323 0.0 0.137292 3 h after dark 0.050494000000000004 0.0 0.151482 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