| Existing Conditions | Historic | |||||
| Basin | Number of Stations | Avg. Snow Depth (in.) |
Avg. Water Equivalent (in.) |
% Density | % Normal | Normal Water Equivalent (in.) |
| Connecticut River Basin | ||||||
| Ompompanoosuc River | 6 | 7.0 | 2.1 | 30 | 45 | 4.6 |
| White River | 2 | 11.7 | 3.8 | 33 | 74 | 5.2 |
| Ottauquechee River | 5 | 10.2 | 3.4 | 33 | 66 | 5.1 |
| Black River | 3 | 6.6 | 3.1 | 47 | 64 | 4.9 |
| West River | 6 | 7.2 | 2.4 | 34 | 44 | 5.5 |
| Ashuelot River | 6 | 2.5 | 0.9 | 35 | 27 | 3.3 |
| Millers River | 6 | 0.4 | 0.1 | 23 | 4 | 2.4 |
| Westfield River | 7 | 2.4 | 1.0 | 41 | 28 | 3.5 |
| Chicopee River | 6 | 0.6 | 0.0 | 3 | 1 | 1.9 |
| Farmington River | 5 | 0.9 | 0.3 | 33 | 16 | 1.9 |
| Merrimack River Basin | ||||||
| Pemigewasset River | 10 | 7.8 | 2.1 | 27 | 39 | 5.4 |
| Piscataquog River | 3 | 0.8 | 0.6 | 78 | 17 | 3.6 |
| Contoocook River | 9 | 3.1 | 1.3 | 42 | 36 | 3.7 |
| Thames River Basin | ||||||
| Quinebaug River | 7 | 0.0 | 0.0 | -- | 0 | 1.5 |
| Shetucket River | 6 | 0.0 | 0.0 | -- | 0 | 1.0 |
| Naugatuck River Basin | ||||||
| Naugatuck River | 4 | 0.0 | 0.0 | -- | 0 | 1.3 |
| Blackstone River Basin | ||||||
| Blackstone River | 2 | 0.0 | 0.0 | -- | 0 | 1.4 |
| Table generated from data collected at 93 snow survey stations throughout Massachusetts, New Hampshire, Vermont, and Connecticut. | ||||||