The phrase "a narrow but consistent" is correct and usable in written English.
It can be used to describe a situation, trend, or characteristic that is limited in scope yet remains steady or reliable.
Example: "The study revealed a narrow but consistent increase in temperature over the past decade."
Alternatives: "a limited yet steady" or "a slight but reliable".
Although the odd poll puts Mr Romney in the lead, Mr Obama has maintained a narrow but consistent advantage in RealClearPolitics' standings of 0.2-5.3% since Mr Romney clinched the nomination in April.The presidency is not decided by a national vote, of course, but by state-by-state competitions for delegates in the electoral college.
Polling had suggested a narrow but consistent lead for Rubio going into Election Day, and the ultimate vote tallies gave Rubio a comfortable margin of victory in the hotly contested swing state.
Mr. Obama has maintained a narrow, but fairly consistent, lead of about 2 points over perhaps the last six to eight weeks.
If your company is not comfortable with that approach, you can move closer the other end of spectrum by keeping overall pay levels competitive at all times with a relatively narrow but consistent range for incentive payouts.
The smattering of new statewide polls released over the last few days yields no new significant trends, although a new poll on the West Virginia Senate race shows the Democrat, Joe Manchin, maintaining narrow but consistent lead over Republican candidate John Raese in September.
Should the Democrat Al Franken cling to his narrow but consistent and now court-upheld 312-vote lead over the Republican Norm Coleman, he would be the first professional comedian to take a seat in the United States Senate.
Their lead was "narrow but consistent" and the notion that there was late-stage electoral volatility that favored Romney was an "illusion".
Barr's call for something new was, in a narrow sense, consistent with the magazine's radical origins.
We use color for pixel classification because we empirically determined that retinal pixels for a given patient exhibit a narrow and consistent color distribution.
For kindergartens A, B, D, E, and the disease sample, the number of STs per isolate occupied a narrow range (0.39 0.46), consistent with a linear increase in the number of unique STs with sample size [34].
These leads are narrow but relatively consistent: Like the national numbers, they've barely moved since mid-October.
