condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.06555836666666667 0.0176632 0.131508 12 h after light 0.013745100000000001 0.0 0.0412353 4 h after dark 0.07322566666666668 0.0 0.116334 8 h after dark 0.034517 0.0 0.103551 12 h after dark 0.06088313333333333 0.0404697 0.0967749