| 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 | 18.7 | 5.3 | 28 | 110 | 4.8 |
| White River | 2 | 23.8 | 5.6 | 24 | 101 | 5.5 |
| Ottauquechee River | 5 | 22.1 | 4.8 | 22 | 93 | 5.2 |
| Black River | 3 | 19.0 | 3.8 | 20 | 77 | 4.9 |
| West River | 6 | 22.5 | 6.2 | 27 | 109 | 5.7 |
| Ashuelot River | 6 | 14.7 | 3.1 | 21 | 90 | 3.4 |
| Millers River | 6 | 13.1 | 2.5 | 19 | 96 | 2.6 |
| Westfield River | 7 | 14.7 | 2.8 | 19 | 72 | 3.9 |
| Chicopee River | 6 | 9.7 | 2.3 | 23 | 125 | 1.8 |
| Farmington River | 5 | 8.0 | 2.1 | 27 | 95 | 2.2 |
| Merrimack River Basin | ||||||
| Pemigewasset River | 10 | 20.2 | 4.4 | 22 | 82 | 5.4 |
| Piscataquog River | 3 | 15.3 | 3.6 | 23 | 88 | 4.0 |
| Contoocook River | 9 | 16.1 | 4.2 | 26 | 107 | 4.0 |
| Thames River Basin | ||||||
| Quinebaug River | 7 | 4.5 | 1.2 | 26 | 73 | 1.6 |
| Shetucket River | 6 | 4.3 | 2.0 | 46 | 166 | 1.2 |
| Naugatuck River Basin | ||||||
| Naugatuck River | 4 | 6.5 | 1.4 | 22 | 97 | 1.4 |
| Blackstone River Basin | ||||||
| Blackstone River | 2 | 7.5 | 2.3 | 30 | 138 | 1.6 |
| Table generated from data collected at 93 snow survey stations throughout Massachusetts, New Hampshire, Vermont, and Connecticut. | ||||||