Maine baseline = mean of (Maine two-party presidential margin - national two-party presidential margin) over the last 3 presidential elections (2016, 2020, 2024): +4.79 points.
Series since 2000: 2000 +5.0, 2004 +11.7, 2008 +10.3, 2012 +11.8, 2016 +1.0, 2020 +4.8, 2024 +8.6; sd 4.10; standard error of a 3-election mean 2.37.
Alternatives: last 2 +6.69, last 4 +6.54, last 5 +7.29, all 7 since 2000 +7.58.
Maine totals: every town line plus the UOCAVA lines (= the official statewide totals); national totals: FEC official results.