| 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 | 13.7 | 3.3 | 24 | 85 | 3.9 |
| White River | 2 | 17.6 | 4.4 | 25 | 87 | 5.0 |
| Ottauquechee River | 5 | 19.9 | 3.1 | 15 | 67 | 4.6 |
| Black River | 3 | 17.7 | 2.7 | 15 | 62 | 4.4 |
| West River | 6 | 16.7 | 2.9 | 17 | 56 | 5.1 |
| Ashuelot River | 6 | 6.3 | 2.4 | 38 | 87 | 2.7 |
| Millers River | 6 | 2.0 | 0.8 | 38 | 47 | 1.6 |
| Westfield River | 7 | 0.5 | 0.2 | 39 | 8 | 2.4 |
| Chicopee River | 6 | 0.3 | 0.0 | 8 | 2 | 0.8 |
| Farmington River | 5 | 0.0 | 0.0 | -- | 0 | 0.9 |
| Merrimack River Basin | ||||||
| Pemigewasset River | 10 | 17.0 | 3.2 | 19 | 63 | 5.0 |
| Piscataquog River | 3 | 4.8 | 1.2 | 25 | 50 | 2.4 |
| Contoocook River | 9 | 6.6 | 2.1 | 32 | 68 | 3.1 |
| Thames River Basin | ||||||
| Quinebaug River | 7 | 0.0 | 0.0 | -- | 0 | 0.4 |
| Shetucket River | 6 | 0.0 | 0.0 | -- | 0 | 0.1 |
| Naugatuck River Basin | ||||||
| Naugatuck River | 4 | 0.0 | 0.0 | -- | 0 | 0.4 |
| Blackstone River Basin | ||||||
| Blackstone River | 2 | 0.0 | 0.0 | -- | 0 | 0.4 |
| Table generated from data collected at 93 snow survey stations throughout Massachusetts, New Hampshire, Vermont, and Connecticut. | ||||||