condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.07270166666666666 0.0 0.218105 3 h after dark 0.0 0.0 0.0 6 h after dark 0.11013966666666668 0.0 0.330419 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0