| December 2009 | Precipitation | Normal | Departure | Snowfall | Seasonal Snowfall |
| Acadia National Park | 5.71 | 5.81 | -0.10 | ||
| Albion | 5.34 | 3.95 | 1.39 | 24.5 | 32.3 |
| Allagash | 4.74 | 2.65 | 2.09 | 37.2 | 45.7 |
| Andover | 5.35 | 27.0 | 29.0 | ||
| Augusta Airport | 4.53 | 3.50 | 1.03 | ||
| Augusta Hatch Hill | 5.54 | 20.6 | 23.6 | ||
| Bangor Airport | 3.52 | 3.33 | 0.19 | 21.9 | 21.9 |
| Barnard Plantation | 4.45 | 3.49 | 0.96 | 23.8 | 24.6 |
| Bath | 6.55 | 4.47 | 2.08 | 12.3 | 12.5 |
| Belfast | 4.68 | 4.31 | 0.37 | 9.0 | 9.0 |
| Bethel | 4.87 | 23.3 | 27.8 | ||
| Bingham | 4.37 | 3.31 | 1.06 | ||
| Brassua Lake | 3.10 | 3.05 | 0.05 | 21.0 | 26.1 |
| Bridgewater | 3.68 | 3.49 | 0.19 | 26.0 | 31.8 |
| Bridgton | 6.23 | 3.81 | 2.42 | 19.9 | 19.9 |
| Cape Neddick | 6.33 | 16.1 | 16.3 | ||
| Caribou | 3.79 | 3.19 | 0.60 | 27.0 | 36.7 |
| Corinna | 3.72 | 3.45 | 0.27 | 18.5 | 18.5 |
| Dover-Foxcroft | 4.33 | 3.62 | 0.71 | 19.4 | 21.4 |
| Durham | 6.60 | 18.5 | 18.8 | ||
| Eastport | 6.60 | 4.43 | 2.17 | 19.5 | 19.5 |
| East Waterford | 5.45 | 23.4 | 23.7 | ||
| Eliot | 5.07 | 11.9 | 11.9 | ||
| Ellsworth | 5.59 | 4.11 | 1.48 | 25.1 | 25.2 |
| Eustis | 2.46 | 2.78 | -0.32 | 21.1 | 29.5 |
| Farmington | 5.12 | 3.94 | 1.18 | 20.6 | 23.9 |
| Fort Kent | 6.05 | 2.93 | 3.12 | 35.5 | 40.7 |
| Fryeburg | 5.88 | ||||
| Gardiner | 5.52 | 3.68 | 1.84 | 14.5 | 17.5 |
| Grand Lake Stream | 4.56 | 4.18 | 0.38 | 21.0 | 21.0 |
| Gray | 6.26 | 17.2 | 18.8 | ||
| Guilford | 4.49 | 3.60 | 0.89 | 23.0 | 25.0 |
| Harmony | 4.36 | 3.15 | 1.21 | 19.0 | 23.0 |
| Harris Dam | 2.40 | 2.44 | -0.04 | ||
| Hartford | 5.94 | 27.2 | 28.4 | ||
| Hollis | 6.50 | 18.0 | 18.0 | ||
| Houlton 5N | 3.78 | 3.57 | 0.21 | 25.7 | 31.0 |
| Jackman | 3.25 | 2.97 | 0.28 | 21.0 | 29.0 |
| Kennebunkport | 4.91 | 4.35 | 0.56 | 4.6 | 4.6 |
| Kingfield | 4.74 | 3.56 | 1.18 | 18.6 | 19.4 |
| Lewiston | 5.65 | 4.12 | 1.53 | 17.2 | 17.2 |
| Lincoln | 4.42 | 28.5 | 28.5 | ||
| Livermore Falls | 5.43 | 18.8 | 21.3 | ||
| Long Falls Dam | 3.66 | 3.04 | 0.62 | 23.7 | 33.4 |
| Machias | 5.81 | 4.98 | 0.83 | 15.9 | 15.9 |
| Madison | 4.39 | 3.36 | 1.03 | 17.5 | 19.0 |
| Middle Dam | 3.14 | 2.55 | 0.59 | 21.1 | 24.0 |
| Millinocket | 3.85 | 3.45 | 0.40 | 26.0 | 27.0 |
| Millinocket Airport | 3.15 | ||||
| Milo | 3.97 | 25.1 | 27.1 | ||
| Moosehead | 2.56 | 3.04 | -0.48 | 21.9 | 27.4 |
| Newcastle | 6.63 | 4.63 | 2.00 | 19.3 | 22.3 |
| New Sharon | 4.94 | 18.5 | 22.5 | ||
| North Sebago | 5.50 | 19.7 | 19.7 | ||
| Norway | 5.75 | 3.21 | 2.54 | 19.7 | 19.7 |
| Patten | 4.66 | 30.7 | 33.2 | ||
| Phillips | 4.47 | 3.23 | 1.24 | 21.2 | 24.7 |
| Pittston Farm | 3.36 | 29.5 | 36.5 | ||
| Poland | 5.34 | 19.5 | 19.6 | ||
| Portage Lake | 4.23 | 36.6 | 43.1 | ||
| Port Clyde | 4.22 | 4.02 | 0.20 | 10.0 | 10.0 |
| Portland | 5.24 | 4.24 | 1.00 | 13.8 | 13.8 |
| Presque Isle | 3.57 | 2.56 | 1.01 | 27.5 | 33.5 |
| Rangeley | 3.07 | 3.00 | 0.07 | 25.0 | 31.3 |
| Rangeley /Chick Hill/ | 2.80 | 24.7 | 33.0 | ||
| Robbinston | 5.99 | 28.9 | 28.9 | ||
| Rumford | 3.44 | 3.37 | 0.07 | 18.6 | 19.0 |
| Sanford | 6.55 | 4.28 | 2.27 | 11.2 | 11.2 |
| South Berwick | 6.09 | 17.1 | 17.1 | ||
| Topsfield | 5.52 | 36.4 | 38.4 | ||
| Turner | 6.21 | 20.3 | 21.7 | ||
| Upper Dam | 2.40 | 19.8 | 24.1 | ||
| Van Buren | 3.76 | 3.05 | 0.71 | 20.0 | 27.0 |
| Waltham | 6.72 | 15.7 | 15.7 | ||
| Waterville | 4.46 | 3.19 | 1.27 | 15.2 | 19.2 |
| Wesley | 4.73 | 24.2 | 24.2 | ||
| West Buxton | 6.27 | 3.95 | 2.32 | ||
| Westport Island | 6.37 | 16.2 | 16.4 | ||
| West Rockport | 7.87 | 4.98 | 2.89 | 12 | 12 |
| Winthrop | 5.21 | 14.7 | 17.2 | ||
| Wiscasset | 6.05 | ||||
| Woodland | 5.03 | 4.22 | 0.81 | 20.0 | 20.0 |
| December 2009 | Precipitation | Normal | Departure | Monthly Snowfall | Seasonal Snowfall |
| Alexandria | 6.44 | 26.8 | 26.8 | ||
| Barnstead | 4.50 | 16.3 | 16.3 | ||
| Benton | 2.56 | 2.52 | 0.04 | 11.8 | 15.6 |
| Berlin | 3.81 | 2.98 | 0.83 | 28.5 | 30.5 |
| Bethlehem | 2.58 | 2.87 | -0.29 | 40.0 | 51.2 |
| Blackwater Dam | 5.06 | 3.88 | 1.18 | ||
| Bradford | 5.32 | 4.03 | 1.29 | 17 | 17 |
| Colebrook | 2.90 | 2.80 | 0.10 | 25.4 | 29.0 |
| Concord | 4.02 | 2.96 | 1.06 | 16.4 | 16.4 |
| Diamond Pond | 4.21 | 38.0 | 63.0 | ||
| Durham | 4.98 | 3.52 | 1.46 | 7.6 | 7.6 |
| East Milford | 4.79 | 3.99 | 0.80 | 13.8 | 13.8 |
| Epping | 4.82 | 3.77 | 1.05 | 15.0 | 15.0 |
| Errol | 3.07 | 3.19 | -0.12 | 22.9 | 25.1 |
| Everett Dam | 3.55 | ||||
| First Connecticut Lake | 3.66 | 3.30 | 0.36 | 31.5 | 44.0 |
| Fitzwilliam | 5.02 | 3.94 | 1.08 | 13.5 | 13.5 |
| Francestown | 4.69 | 18.0 | 19.0 | ||
| Franklin Falls Dam | 4.67 | 3.36 | 1.31 | ||
| Glencliff | 3.66 | 2.87 | 0.79 | 14.0 | 14.0 |
| Gorham | 5.52 | 26.2 | 27.2 | ||
| Greenland | 5.42 | 4.48 | 0.94 | 13.1 | 13.1 |
| Greenville | 4.40 | 18.6 | 20.6 | ||
| Hanover | 2.77 | 2.90 | -0.13 | 15.8 | 15.8 |
| Hanover 2 | 2.29 | 14.6 | 14.6 | ||
| Hopkinton Dam | 4.92 | ||||
| Jaffrey Airport | 3.76 | ||||
| Jefferson | 2.58 | 2.83 | -0.25 | 17.9 | 28.9 |
| Keene | 3.53 | 3.21 | 0.32 | 14.6 | 14.6 |
| Laconia | 5.09 | 24.0 | 24.1 | ||
| Lakeport | 4.59 | 3.08 | 1.51 | 15.5 | 15.5 |
| Lancaster | 2.72 | 2.73 | -0.01 | 21.4 | 22.2 |
| Lebanon | 2.91 | 2.81 | 0.1 | ||
| Macdowell Dam | 4.58 | 4.23 | 0.35 | 10.4 | 10.4 |
| Manchester Airport | 5.63 | ||||
| Marlow | 3.78 | 3.29 | 0.49 | 15.5 | 15.5 |
| Massabesic Lake | 3.59 | 3.28 | 0.31 | 9.3 | 9.3 |
| Meredith | 5.74 | 22.7 | 22.7 | ||
| Mount Sunapee | 4.91 | 3.14 | 1.77 | 20.0 | 20.0 |
| Mount Washington | 8.34 | 8.84 | -0.50 | 42.3 | 87.0 |
| Nashua | 3.73 | 3.71 | 0.02 | 16.2 | 16.2 |
| New Hampton | 5.15 | 19.9 | 20.1 | ||
| Newport | 3.03 | 3.04 | -0.01 | 17.6 | 17.6 |
| North Conway | 5.95 | 4.04 | 1.91 | 20.4 | 20.4 |
| North Hampton | 5.25 | 9.8 | 9.8 | ||
| North Haverhill | 2.36 | 13.4 | 13.4 | ||
| North Stratford | 3.06 | 2.97 | 0.09 | 13.3 | 14.4 |
| Otter Brook Lake | 3.19 | 3.27 | -0.08 | 14.0 | |
| Pinkham Notch | 5.12 | 4.92 | 0.20 | 27.0 | 33.2 |
| Portsmouth | 4.33 | 4.12 | 0.21 | 6.4 | 6.4 |
| Rochester | 6.20 | 4.24 | 1.96 | 14.7 | 14.7 |
| Rochester Airport | 4.71 | ||||
| Surry Mountain Lake | 3.52 | 3.07 | 0.45 | 10.5 | 10.5 |
| Tamworth | 6.63 | 4.27 | 2.36 | 20.8 | 20.8 |
| Walpole | 4.15 | 3.08 | 1.07 | 14.0 | 14.0 |
| Wentworth | 2.75 | 14.4 | 14.4 | ||
| West Hampstead | 5.02 | 21.8 | 21.9 | ||
| York Pond | 2.73 | 14.9 | 22.7 |