| 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 | 10.6 | 2.2 | 21 | 64 | 3.4 |
| White River | 2 | 10.9 | 2.3 | 21 | 61 | 3.8 |
| Ottauquechee River | 5 | 9.9 | 2.3 | 23 | 61 | 3.7 |
| Black River | 3 | 10.9 | 3.4 | 32 | 98 | 3.5 |
| West River | 6 | 11.9 | 2.7 | 23 | 70 | 3.8 |
| Ashuelot River | 6 | 10.4 | 1.7 | 16 | 72 | 2.4 |
| Millers River | 6 | 5.5 | 1.2 | 21 | 67 | 1.7 |
| Westfield River | 7 | 5.0 | 1.5 | 29 | 53 | 2.8 |
| Chicopee River | 6 | 3.2 | 0.1 | 2 | 5 | 1.4 |
| Farmington River | 5 | 0.2 | 0.0 | 0 | 0 | 1.6 |
| Merrimack River Basin | ||||||
| Pemigewasset River | 10 | 12.2 | 2.9 | 24 | 76 | 3.9 |
| Piscataquog River | 3 | 8.3 | 1.7 | 20 | 62 | 2.8 |
| Contoocook River | 9 | 9.5 | 3.2 | 34 | 115 | 2.8 |
| Thames River Basin | ||||||
| Quinebaug River | 7 | 0.2 | 0.1 | 33 | 6 | 1.2 |
| Shetucket River | 6 | 0.0 | 0.0 | -- | 0 | 1.1 |
| Naugatuck River Basin | ||||||
| Naugatuck River | 4 | 0.0 | 0.0 | -- | 0 | 1.1 |
| 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. | ||||||