| 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 | 1.9 | 0.7 | 35 | 20 | 3.3 |
| White River | 2 | 4.3 | 1.8 | 42 | 39 | 4.6 |
| Ottauquechee River | 5 | 0.0 | 0.0 | 100 | 1 | 3.9 |
| Black River | 3 | 0.0 | 0.0 | -- | 0 | 3.9 |
| West River | 6 | 2.1 | 0.9 | 43 | 20 | 4.5 |
| Ashuelot River | 6 | 0.0 | 0.0 | -- | 0 | 1.9 |
| Millers River | 6 | 0.0 | 0.0 | -- | 0 | 1.1 |
| Westfield River | 7 | 0.0 | 0.0 | -- | 0 | 1.9 |
| Chicopee River | 6 | 0.0 | 0.0 | -- | 0 | 0.4 |
| Farmington River | 5 | 0.0 | 0.0 | -- | 0 | 0.6 |
| Merrimack River Basin | ||||||
| Pemigewasset River | 10 | 5.4 | 1.4 | 25 | 31 | 4.4 |
| Piscataquog River | 3 | 0.0 | 0.0 | -- | 0 | 2.0 |
| Contoocook River | 9 | 0.0 | 0.0 | 50 | 1 | 2.3 |
| Thames River Basin | ||||||
| Quinebaug River | 7 | 0.0 | 0.0 | -- | 0 | 0.3 |
| Shetucket River | 6 | 0.0 | 0.0 | -- | 0 | 0.2 |
| Naugatuck River Basin | ||||||
| Naugatuck River | 4 | 0.0 | 0.0 | -- | 0 | 0.2 |
| Blackstone River Basin | ||||||
| Blackstone River | 2 | 0.0 | 0.0 | -- | 0 | 0.2 |
| Table generated from data collected at 93 snow survey stations throughout Massachusetts, New Hampshire, Vermont, and Connecticut. | ||||||