condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.01550955 0.01326 0.0177591 12 h after light 0.0 0.0 0.0 4 h after dark 0.0070775 0.0 0.014155 8 h after dark 0.01057772 0.00709344 0.014062 12 h after dark 0.0 0.0 0.0