condition mean min max 3 h after light 1.6436733333333333 0.0 3.52697 6 h after light 5.514026666666666 2.32653 10.5154 9 h after light 3.4240899999999996 0.0 8.08565 12 h after light 1.4331966666666667 0.0 2.89602 3 h after dark 0.0 0.0 0.0 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