Station Name

Median of Annual Low Pulse Duration in Days

Swift River at West Ware

1.2

Deerfield River at Charlemont

3.1

Nashua at E. Pepperell

3.55

Connecticut River at Montague

3.61

Deerfield River nr. West Deerfield

3.8

Chicopee River at Indian Orchard

4.6

Housatonic nr. Great Barrington

5.19

Housatonic at Falls Village CT

5.4

Ware River at Gibbs Crossing

5.42

French River at Webster

5.5

Connecticut River at Thompsanville CT

5.7

E. Br. Housatonic River at Coltsville

6

Fort River nr. Amherst

6

Millers River nr. Winchendon

6.1

Merrimack below Concord R. at Lowell

6.24

Tarbell Brook nr. Winchendon

6.4

North Nashua nr. Leominster

6.6

Blackstone at Woonsocket

6.8

Hoosic River nr. Adams

6.8

Westfield River nr. Westfield

6.8

W. Br. Farmington nr New Boston

6.89

Jones River at Kingston*

7

Neponset River at Norwood

7.09

Hoosic River nr Williamstown

7.17

Aberjona at Winchester

7.19

Mill River at Northampton

7.3

South River nr. Conway

7.4

Shawsheen River nr. Wilmington

7.56

Cadwell Creek nr. Belchertown

7.6

Millers River at Erving

8

North River at Shattuckville

8

Old Swamp River nr. S. Weymouth

8

W. Br. Westfield at Huntington

8.05

Westfield River at Knightville*

8.3

Assabet at Maynard

8.31

Charles River at Waltham

8.33

Hop Brook nr. New Salem

8.4

Quinebaug River at Quinebaug CT

8.6

Little River nr. Oxford

8.7

Nashoba Brook nr. Acton

8.72

East Br. Neponset River at Canton

8.9

Priest Brook nr. Winchendon

9.17

Green River nr. Colrain

9.5

Hubbard River near West Hartland CT

9.5

Green River at Williamstown

9.7

Millers River at South Royalston

10

Wading River nr. Norton

10.14

Valley Brook near West Hartland CT

10.2

Taunton River nr. Bridgewater

10.29

Ware River at Intake Works nr. Barre

10.3

Otter River at Otter River

10.6

West River nr. Uxbridge

10.7

Ware River nr. Barre

10.71

Indian Head River at Hanover

10.9

Charles River at Wellesley

11

Quinsigmond River at N. Grafton

11

Wading River at Mansfield

11

French River at Hodges Village

11.2

Seven Mile River nr. Spencer, MA

11.3

East Branch Tully River nr. Athol

11.4

Ipswich at S. Middleton

11.5

Squannacook nr. West Groton

11.5

Quinebaug River nr Sturbridge

11.7

Quaboag nr. West Brimfield

12

East Br. Swift nr. Hardwick

12.63

Concord below R. Meadow at Lowell

13.67

Segreganset River nr. Dighton

13.8

Threemile River at North Dighton

13.9

Charles River at Dover

14

Ipswich River at Ipswich

14.8

Parker River at Byfield

21