| 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 | 4.6 | 1.2 | 25 | 25 | 4.8 |
| White River | 2 | 5.8 | 1.6 | 27 | 29 | 5.3 |
| Ottauquechee River | 5 | 7.8 | 1.9 | 24 | 34 | 5.4 |
| Black River | 3 | 6.4 | 1.9 | 30 | 37 | 5.1 |
| West River | 6 | 6.2 | 1.3 | 20 | 22 | 5.8 |
| Ashuelot River | 6 | 1.2 | 0.3 | 28 | 10 | 3.5 |
| Millers River | 6 | 0.0 | 0.0 | -- | 0 | 2.4 |
| Westfield River | 7 | 0.7 | 0.2 | 28 | 6 | 3.5 |
| Chicopee River | 6 | 0.0 | 0.0 | -- | 0 | 1.7 |
| Farmington River | 5 | 0.0 | 0.0 | -- | 0 | 1.7 |
| Merrimack River Basin | ||||||
| Pemigewasset River | 10 | 4.5 | 1.3 | 28 | 22 | 5.8 |
| Piscataquog River | 3 | 0.0 | 0.0 | -- | 0 | 3.5 |
| Contoocook River | 9 | 1.0 | 0.3 | 30 | 8 | 4.0 |
| Thames River Basin | ||||||
| Quinebaug River | 7 | 0.0 | 0.0 | -- | 0 | 1.3 |
| Shetucket River | 6 | 0.0 | 0.0 | -- | 0 | 0.8 |
| Naugatuck River Basin | ||||||
| Naugatuck River | 4 | 0.0 | 0.0 | -- | 0 | 1.2 |
| Blackstone River Basin | ||||||
| Blackstone River | 2 | 0.0 | 0.0 | -- | 0 | 1.2 |
| Table generated from data collected at 93 snow survey stations throughout Massachusetts, New Hampshire, Vermont, and Connecticut. | ||||||