| 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 | 15.8 | 4.1 | 26 | 82 | 5.0 |
| White River | 2 | 20.0 | 6.4 | 32 | 106 | 6.0 |
| Ottauquechee River | 5 | 18.0 | 4.8 | 27 | 88 | 5.5 |
| Black River | 3 | 17.3 | 4.5 | 26 | 86 | 5.2 |
| West River | 6 | 21.3 | 7.1 | 33 | 115 | 6.2 |
| Ashuelot River | 6 | 12.3 | 4.3 | 35 | 120 | 3.6 |
| Millers River | 6 | 8.5 | 2.5 | 29 | 93 | 2.7 |
| Westfield River | 7 | 10.4 | 4.1 | 39 | 106 | 3.9 |
| Chicopee River | 6 | 5.7 | 1.7 | 30 | 96 | 1.8 |
| Farmington River | 5 | 3.5 | 0.2 | 5 | 8 | 2.0 |
| Merrimack River Basin | ||||||
| Pemigewasset River | 10 | 19.2 | 4.7 | 24 | 78 | 6.0 |
| Piscataquog River | 3 | 9.7 | 2.8 | 29 | 69 | 4.0 |
| Contoocook River | 9 | 11.3 | 3.3 | 29 | 82 | 4.1 |
| Thames River Basin | ||||||
| Quinebaug River | 7 | 2.1 | 0.7 | 34 | 44 | 1.6 |
| Shetucket River | 6 | 0.0 | 0.0 | -- | 0 | 1.1 |
| Naugatuck River Basin | ||||||
| Naugatuck River | 4 | 0.0 | 0.0 | 0 | 0 | 1.3 |
| Blackstone River Basin | ||||||
| Blackstone River | 2 | 0.0 | 0.0 | -- | 0 | 1.5 |
| Table generated from data collected at 93 snow survey stations throughout Massachusetts, New Hampshire, Vermont, and Connecticut. | ||||||