| 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 | 9.4 | 2.3 | 25 | 91 | 2.6 |
| White River | 2 | 11.8 | 2.8 | 23 | 92 | 3.0 |
| Ottauquechee River | 5 | 13.2 | 2.9 | 22 | 105 | 2.8 |
| Black River | 3 | 13.1 | 3.1 | 24 | 118 | 2.6 |
| West River | 6 | 11.4 | 2.8 | 24 | 96 | 2.9 |
| Ashuelot River | 6 | 4.5 | 0.7 | 15 | 40 | 1.7 |
| Millers River | 6 | 4.2 | 0.5 | 11 | 36 | 1.3 |
| Westfield River | 7 | 8.5 | 1.7 | 20 | 98 | 1.8 |
| Chicopee River | 6 | 3.6 | 0.7 | 19 | 74 | 0.9 |
| Farmington River | 5 | 3.6 | 1.1 | 30 | 89 | 1.2 |
| Merrimack River Basin | ||||||
| Pemigewasset River | 10 | 7.5 | 2.0 | 26 | 64 | 3.0 |
| Piscataquog River | 3 | 3.4 | 0.6 | 17 | 26 | 2.2 |
| Contoocook River | 9 | 5.8 | 1.8 | 30 | 86 | 2.1 |
| Thames River Basin | ||||||
| Quinebaug River | 7 | 2.0 | 0.5 | 23 | 52 | 0.9 |
| Shetucket River | 6 | 1.2 | 0.3 | 27 | 43 | 0.7 |
| Naugatuck River Basin | ||||||
| Naugatuck River | 4 | 2.1 | 0.3 | 14 | 33 | 0.8 |
| Blackstone River Basin | ||||||
| Blackstone River | 2 | 2.0 | 0.3 | 13 | 29 | 0.8 |
| Table generated from data collected at 93 snow survey stations throughout Massachusetts, New Hampshire, Vermont, and Connecticut. | ||||||