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Seasonality — weekly observations
iNat + OC
iNat
OC
Worldwide
Ada
Adams
Adams
Addison
Aitkin
Albany
Alberta
Alger
Allegany
Allegany
Allegheny
Alpine
Anne Arundel
Anoka
Arapahoe
Ashland
Ashtabula
Atlantic
Baker
Baltimore County
Banner
Baraga
Barnes
Barnstable
Barron
Barry
Bay
Bayfield
Becker
Beltrami
Benewah
Benton
Benzie
Berks
Berrien
Bingham
Black Hawk
Blue Earth
Bonner
Boone
Boone
Boone
Boulder
Boundary
Bremer
Bristol
British Columbia
Brookings
Broome
Brown
Brown
Buena Vista
Burleigh
Burlington
Burnett
Butler
Butte
Calaveras
Caledonia
Calhoun
California
Calumet
Canada
Cape May
Carlton
Carroll
Carver
Cass
Cattaraugus
Cerro Gordo
Champaign
Champaign
Charlevoix
Chautauqua
Cheboygan
Chelan
Chenango
Cherry
Cheshire
Chester
Cheyenne
Cheyenne
Chippewa
Chippewa
Chippewa
Chisago
Chittenden
Clackamas
Clark
Clark
Clay
Clearwater
Clermont
Clinton
Colorado
Columbia
Connecticut
Cook
Cook
Coös
Cottonwood
Crawford
Crawford
Crook
Crow Wing
Crowley
Cumberland
Cumberland
Custer
Dakota
Dane
Delaware
Delta
Denver
Deschutes
Dickinson
Dodge
Dodge
Door
Douglas
Douglas
Douglas
Douglas
Dubuque
Dunn
DuPage
Dutchess
Eaton
Eau Claire
El Dorado
El Paso
Elk
Emmet
Erie
Erie
Erie
Essex
Essex
Essex
Fairfield
Faribault
Fayette
Ferry
Fillmore
Flathead
Florence
Floyd
Fond du Lac
Forest
Forest
Franklin
Franklin
Franklin
Franklin
Franklin
Frederick
Freeborn
Fremont
Fremont
Garden
Garrett
Geauga
Glacier
Glenn
Gogebic
Goodhue
Goshen
Grafton
Grand
Grand Forks
Grand Isle
Grand Traverse
Grant
Grant
Grant
Gratiot
Green
Green Lake
Greene
Grundy
Hamilton
Hampden
Hampshire
Hancock
Hardin
Hartford
Hennepin
Herkimer
Hillsborough
Houghton
Houston
Hubbard
Idaho
Illinois
Indiana
Ingham
Ionia
Iosco
Iowa
Iowa
Iowa
Iron
Iron
Isabella
Isanti
Itasca
Jackson
Jackson
Jackson
Jackson
Jefferson
Jefferson
Jefferson
Johnson
Johnson
Juneau
Kalamazoo
Kalkaska
Kanabec
Kandiyohi
Kane
Kansas
Kennebec
Kenosha
Kent
Kent
Kewaunee
Keweenaw
Kimball
Kiowa
Kittitas
Klamath
Klickitat
Knox
Koochiching
Kootenai
La Crosse
Lake
Lake
Lake
Lake
Lake of the Woods
Lamoille
Lane
Langlade
Lapeer
Laramie
Larimer
Lassen
Latah
Le Sueur
Lee
Leelanau
Lewis
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Linn
Linn
Livingston
Livingston
Lorain
Loudoun
Lucas
Luce
Luzerne
Mackinac
Macomb
Madison
Madison
Madison
Mahnomen
Mahoning
Maine
Manistee
Manitoba
Manitowoc
Marathon
Marinette
Marion
Marquette
Marquette
Maryland
Massachusetts
McHenry
McKean
McLeod
Medina
Meeker
Menominee
Mercer
Mercer
Michigan
Middlesex
Middlesex
Middlesex
Midland
Mille Lacs
Milwaukee
Minnehaha
Minnesota
Missoula
Missouri
Moffat
Mono
Monroe
Monroe
Monroe
Montana
Montgomery
Montgomery
Morgan
Morris
Morrison
Mower
Murray
Muskegon
Nebraska
Nevada
New Brunswick
New Castle
New Hampshire
New Haven
New Jersey
New London
New York
New York
Nicollet
Noble
Norfolk
Norman
North Dakota
Northwest Territories
Nova Scotia
Oakland
Ocean
Oceana
Oconto
Ogle
Ohio
Okanogan
Olmsted
Oneida
Onondaga
Ontario
Ontario
Ontonagon
Orange
Oregon
Orleans
Oscoda
Oswego
Otsego
Otter Tail
Outagamie
Oxford
Ozaukee
Passaic
Payette
Pend Oreille
Pennington
Pennsylvania
Penobscot
Pepin
Philadelphia
Pierce
Pike
Pine
Pipestone
Piscataquis
Placer
Platte
Plumas
Plymouth
Pocahontas
Polk
Polk
Polk
Pope
Portage
Portage
Porter
Potter
Preston
Price
Prince Edward Island
Prince George's
Providence
Pueblo
Pulaski
Quebec
Queens
Racine
Ramsey
Ravalli
Rensselaer
Renville
Rhode Island
Rice
Richland
Rio Blanco
Rock
Rock
Rockingham
Rockland
Roscommon
Roseau
Routt
Rusk
Rutland
Sac
Saginaw
Sanders
Saratoga
Saskatchewan
Sauk
Sawyer
Schoolcraft
Schuyler
Scott
Seneca
Shasta
Shawano
Sheboygan
Shelby
Sherburne
Sheridan
Shiawassee
Sibley
Sierra
Silver Bow
Sioux
Siskiyou
Skamania
Snohomish
Somerset
Somerset
South Dakota
Spokane
St. Clair
St. Croix
St. Lawrence
St. Louis
St. Louis
Stark
Staten Island
Stearns
Steele
Steuben
Steuben
Stevens
Story
Stutsman
Suffolk
Sullivan
Sullivan
Sullivan
Summit
Susquehanna
Sussex
Tehama
Tennessee
Teton
Teton
The Bronx
Thomas
Tioga
Todd
Tolland
Tompkins
Trempealeau
Tucker
Ulster
Umatilla
Union
United States
Valley
Van Wert
Vermilion
Vermont
Vernon
Vilas
Virginia
Wabasha
Waldo
Walla Walla
Walsh
Walworth
Warren
Warren
Warren
Wasco
Waseca
Washburn
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washtenaw
Waukesha
Waupaca
Waushara
Wayne
West Virginia
Westchester
Whatcom
Windham
Windsor
Winnebago
Winnebago
Winona
Wisconsin
Wood
Wood
Worcester
Wright
Wyoming
Yakima
Yellowstone
York
Yukon
Yuma
Research-grade observations by week of year (iNaturalist).