| 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 | 7.8 | 2.6 | 33 | 63 | 4.1 |
| White River | 2 | 10.9 | 3.4 | 31 | 73 | 4.6 |
| Ottauquechee River | 5 | 9.2 | 3.0 | 33 | 67 | 4.5 |
| Black River | 3 | 7.7 | 2.3 | 30 | 55 | 4.2 |
| West River | 6 | 8.6 | 3.2 | 37 | 67 | 4.8 |
| Ashuelot River | 6 | 1.3 | 0.3 | 21 | 10 | 2.9 |
| Millers River | 6 | 0.8 | 0.2 | 28 | 10 | 2.1 |
| Westfield River | 7 | 3.3 | 0.1 | 3 | 3 | 3.2 |
| Chicopee River | 6 | 2.3 | 0.4 | 18 | 23 | 1.8 |
| Farmington River | 5 | 4.2 | 0.7 | 18 | 38 | 2.0 |
| Merrimack River Basin | ||||||
| Pemigewasset River | 10 | 7.7 | 2.3 | 30 | 49 | 4.7 |
| Piscataquog River | 3 | 2.9 | 1.2 | 42 | 37 | 3.3 |
| Contoocook River | 9 | 3.2 | 1.3 | 40 | 39 | 3.3 |
| Thames River Basin | ||||||
| Quinebaug River | 7 | 4.6 | 0.6 | 12 | 37 | 1.6 |
| Shetucket River | 6 | 6.2 | 0.8 | 13 | 61 | 1.3 |
| Naugatuck River Basin | ||||||
| Naugatuck River | 4 | 5.3 | 0.5 | 10 | 39 | 1.3 |
| Blackstone River Basin | ||||||
| Blackstone River | 2 | 4.0 | 0.8 | 20 | 54 | 1.5 |
| Table generated from data collected at 93 snow survey stations throughout Massachusetts, New Hampshire, Vermont, and Connecticut. | ||||||