| 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 | 4.0 | 1.3 | 33 | 79 | 1.7 |
| White River | 2 | 5.3 | 1.6 | 29 | 56 | 2.8 |
| Ottauquechee River | 5 | 5.2 | 1.9 | 36 | 80 | 2.3 |
| Black River | 3 | 2.8 | 1.1 | 39 | 51 | 2.1 |
| West River | 6 | 4.1 | 1.4 | 35 | 56 | 2.6 |
| Ashuelot River | 6 | 2.2 | 0.7 | 31 | 64 | 1.1 |
| Millers River | 6 | 0.6 | 0.2 | 30 | 32 | 0.5 |
| Westfield River | 7 | 1.0 | 0.4 | 38 | 59 | 0.7 |
| Chicopee River | 6 | 0.4 | 0.0 | 5 | 12 | 0.1 |
| Farmington River | 5 | 0.0 | 0.0 | -- | 0 | 0.1 |
| Merrimack River Basin | ||||||
| Pemigewasset River | 10 | 4.5 | 1.8 | 39 | 65 | 2.7 |
| Piscataquog River | 3 | 0.8 | 0.2 | 29 | 32 | 0.7 |
| Contoocook River | 9 | 2.1 | 0.7 | 32 | 54 | 1.2 |
| Thames River Basin | ||||||
| Quinebaug River | 7 | 0.0 | 0.0 | -- | 0 | 0.0 |
| Shetucket River | 6 | 0.0 | 0.0 | -- | 0 | 0.0 |
| Naugatuck River Basin | ||||||
| Naugatuck River | 4 | 0.0 | 0.0 | -- | 0 | 0.1 |
| Blackstone River Basin | ||||||
| Blackstone River | 2 | 0.0 | 0.0 | -- | 0 | 0.0 |
| Table generated from data collected at 93 snow survey stations throughout Massachusetts, New Hampshire, Vermont, and Connecticut. | ||||||