| 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 | 6.6 | 1.1 | 17 | 43 | 2.6 |
| White River | 2 | 14.2 | 3.0 | 21 | 97 | 3.1 |
| Ottauquechee River | 5 | 12.5 | 2.6 | 21 | 90 | 2.9 |
| Black River | 3 | 10.5 | 3.2 | 30 | 117 | 2.7 |
| West River | 6 | 14.0 | 2.6 | 19 | 88 | 3.0 |
| Ashuelot River | 6 | 3.0 | 0.7 | 25 | 42 | 1.7 |
| Millers River | 6 | 0.7 | 0.2 | 21 | 11 | 1.3 |
| Westfield River | 7 | 4.3 | 1.1 | 25 | 59 | 1.8 |
| Chicopee River | 6 | 0.1 | 0.0 | 38 | 3 | 1.2 |
| Farmington River | 5 | 0.5 | 0.5 | 100 | 41 | 1.3 |
| Merrimack River Basin | ||||||
| Pemigewasset River | 10 | 6.5 | 1.5 | 23 | 49 | 3.1 |
| Piscataquog River | 3 | 2.6 | 0.7 | 26 | 29 | 2.3 |
| Contoocook River | 9 | 2.8 | 0.6 | 22 | 30 | 2.1 |
| Thames River Basin | ||||||
| Quinebaug River | 7 | 0.0 | 0.0 | -- | 0 | 1.0 |
| Shetucket River | 6 | 0.0 | 0.0 | -- | 0 | 0.8 |
| Naugatuck River Basin | ||||||
| Naugatuck River | 4 | 0.4 | 0.2 | 39 | 15 | 1.0 |
| Blackstone River Basin | ||||||
| Blackstone River | 2 | 0.0 | 0.0 | -- | 0 | 1.0 |
| Table generated from data collected at 93 snow survey stations throughout Massachusetts, New Hampshire, Vermont, and Connecticut. | ||||||