For comparison, their final poll in 2012 (conducted Nov. 1-3) showed the following.
Statewide: Obama 53.3, Romney 42.2, Johnson 0.9, Stein 1.0, undecided 2.6 (Obama +11.1)
CD1: Obama 56.7, Romney 39.0, Johnson 0.4, Stein 1.5, undecided 2.3 (Obama +17.7)
CD2: Obama 49.7, Romney 45.7, Johnson 1.4, Stein 0.4, undecided 2.8 (Obama +4.0)
Source: http://www.mprc.me/research/mprc_1103can12.pdf
The actual results...
Statewide: Obama 56.3, Romney 41.0, Johnson 1.3, Stein 1.1 (Obama +15.3)
CD1: Obama 59.6, Romney 38.2, Johnson 1.2, Stein 1.0 (Obama +21.4)
CD2: Obama 52.9, Romney 44.4, Johnson 1.4, Stein 1.2 (Obama +8.5)
So they underestimated Obama's margins by about 4 points in each CD and statewide.
The national polling consensus also underestimated Obama by about four points in 2012.
