condition mean min max 2 h after light 0.014309516666666668 0.0 0.0858571 6 h after light 0.0 0.0 0.0 10 h after light 0.015004316666666668 0.0 0.0900259 14 h after light 0.01513245 0.0 0.0907947 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0