Facing the prospect of former senator Scott Brown of Massachusetts as an opponent, Senator Jeanne Shaheen’s campaign in New Hampshire announced today that she had raked in $1.1 million in the last three months of 2013 and had $3.4 million in the bank at the end of the year.

It’s a solid clip for a race in small state, but if Brown, a prolific fund-raiser who registered to vote in new hometown of Rye, N.H., on Dec. 23, jumps in, Shaheen will likely need to boost her fund-raising numbers.

Brown, who was unseated in 2012 by Elizabeth Warren, has not yet said whether he plans to run for US Senate in the Granite State. If he does, he will need to first win a Republican primary before facing Shaheen.

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Shaheen’s fund-raising figures come on the heels of a poll released Wednesday that found her leading Brown by 3 points in a hypothetical November matchup.

Shaheen led with 46 percent to Brown’s 43 percent, within the survey’s margin of error, which was plus or minus 2.7 percentage points. Ten percent were not sure.

The poll was conducted by Public Policy Polling, a firm that often polls for Democratic and liberal groups.

The survey of New Hampshire voters found 44 percent approved of Shaheen’s job performance, while 43 percent disapproved. Thirteen percent were not sure.

Thirty-four percent had a favorable opinion of Brown while 40 percent had an unfavorable view of him, while 26 percent were not sure.

The poll surveyed 1,354 New Hampshire voters by automatic telephone surveys, as well as internet polling, from Jan 9-12.