The chart above shows all of the Democratic polls done in New Hampshire since the Iowa caucuses. They are:
NBC/WSJ/Marist Poll (Feb 2-3) -- 567 likely voters with 4.1 point moe.
Travis Marketing Poll (Feb 2-4) -- 702 likely voters with 3.7 point moe.
CNN/WMUR Poll (Feb 2-4) -- 228 likely voters with 6.5 point moe.
Boston Globe/Suffolk Poll (Feb 2-4) -- 500 likely voters with 4.4 point moe.
WBUR/MassINC Poll (Feb 2-4) -- 393 likely voters with 4.9 point moe.
American Research Group Poll (Feb 4-5) -- 405 likely voters with 5 point moe.
UMass/7News Poll (Feb 3-5) -- 433 likely voters with 5.2 point moe.