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Seasonality — weekly observations
iNat + OC
iNat
OC
Worldwide
Ada
Adams
Adams
Adams
Adams
Addison
Alamosa
Albany
Albany
Alberta
Allegan
Allegany
Allegheny
Allen
Alpine
Amador
Androscoggin
Anne Arundel
Anoka
Antelope
Apache
Arapahoe
Archuleta
Arizona
Aroostook
Ashland
Ashland
Ashtabula
Augusta
Baker
Baltimore County
Banner
Bannock
Baraga
Barnstable
Barry
Bartholomew
Bath
Bayfield
Beaver
Beaver
Beaverhead
Becker
Belknap
Belmont
Beltrami
Benewah
Bennington
Bent
Benton
Berks
Berkshire
Bernalillo
Berrien
Big Horn
Big Horn
Big Stone
Bingham
Black Hawk
Blaine
Blue Earth
Bonner
Bonneville
Boone
Boone
Bottineau
Boulder
Box Elder
Bradford
Branch
Bristol
Bristol
British Columbia
Broadwater
Brookings
Broome
Broomfield
Brown
Brown
Brown
Brown
Brule
Bucks
Burke
Burleigh
Butler
Butler
Butler
Butte
Butte
Butte
Cache
Calaveras
Caledonia
Calhoun
California
Calumet
Cambria
Campbell
Canada
Canyon
Carbon
Carbon
Caribou
Carroll
Carroll
Carroll
Carter
Carver
Cascade
Cass
Cass
Cassia
Cattaraugus
Cecil
Centre
Chaffee
Champaign
Charlevoix
Chase
Chaves
Chelan
Chenango
Cherokee
Cherokee
Cherry
Cheshire
Chester
Cheyenne
Chippewa
Chippewa
Chippewa
Chittenden
Chouteau
Churchill
Cimarron
Clackamas
Clarion
Clark
Clarke
Clay
Clay
Clay
Clearwater
Clermont
Coconino
Codington
Colfax
Colorado
Columbia
Columbia
Columbiana
Connecticut
Converse
Cook
Cook
Coös
Cortland
Coshocton
Costilla
Cottonwood
Crawford
Crawford
Crook
Crook
Crow Wing
Crowley
Cumberland
Custer
Custer
Custer
Cuyahoga
Dade
Daggett
Dakota
Dallas
Dane
Dauphin
Davis
Davison
Dawes
Dawson
Day
De Baca
DeKalb
Del Norte
Delaware
Delaware
Delaware
Delaware
Delta
Delta
Denver
Deschutes
Deuel
Dodge
Doña Ana
Door
Douglas
Douglas
Douglas
Douglas
Douglas
Douglas
Duchesne
Dundy
Dunn
DuPage
Dutchess
Eagle
Eddy
El Dorado
El Paso
Elkhart
Elko
Ellis
Ellsworth
Elmore
Emery
Emmet
Emmons
Erie
Erie
Erie
Essex
Essex
Essex
Fairfield
Fairfield
Fall River
Fauquier
Fayette
Fergus
Ferry
Flathead
Fond du Lac
Forest
Franklin
Franklin
Franklin
Franklin
Franklin
Fremont
Fremont
Fremont
Gallatin
Gallia
Garden
Garfield
Garfield
Garfield
Garrett
Geauga
Gem
Genesee
Georgia
Gila
Gilliam
Goodhue
Gooding
Goshen
Grafton
Grand
Grand Forks
Grand Isle
Grand Traverse
Grant
Grant
Grant
Grant
Grant
Grayson
Green Lake
Greene
Greene
Grundy
Gunnison
Gwinnett
Hamilton
Hamilton
Hamilton
Hampshire
Hancock
Hancock
Harney
Harper
Harrison
Hartford
Hayes
Haywood
Hemphill
Henderson
Henderson
Hennepin
Henry
Herkimer
Highland
Hillsborough
Howard
Hubbard
Huerfano
Hughes
Humboldt
Huntingdon
Hutchinson
Idaho
Illinois
Indiana
Indiana
Inyo
Iosco
Iowa
Iowa
Isabella
Isanti
Jackson
Jackson
Jackson
Jackson
Jackson
Jasper
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jerome
Johnson
Johnson
Jones
Josephine
Juab
Juneau
Juniata
Kalamazoo
Kane
Kansas
Keith
Kendall
Kennebec
Kenosha
Kent
Kentucky
Kern
Keweenaw
Kidder
Kimball
Kingsbury
Kiowa
Kit Carson
Kittitas
Klamath
Klickitat
Knox
Knox
Knox
Kootenai
La Plata
Lac qui Parle
Lackawanna
LaGrange
Lake
Lake
Lake
Lake
Lake
Lake
Lake of the Woods
Lamoille
Lancaster
Lancaster
Lane
Langlade
Lapeer
Laramie
Larimer
Lassen
Lawrence
Lawrence
Le Sueur
Lea
Lee
Leelanau
Lehigh
Lenawee
Lewis
Lewis
Lewis and Clark
Licking
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Linn
Lipscomb
Litchfield
Livingston
Livingston
Logan
Logan
Logan
Lorain
Lubbock
Lucas
Luzerne
Lycoming
Lyon
Lyon
Mackinac
Macomb
Macon
Madera
Madison
Madison
Madison
Madison
Mahoning
Maine
Malheur
Manistee
Manitoba
Manitowoc
Marinette
Marion
Mariposa
Marquette
Maryland
Massachusetts
McCook
McHenry
McLean
McLeod
Meade
Mecosta
Medina
Meeker
Mendocino
Mercer
Mercer
Merrimack
Mesa
Miami
Michigan
Middlesex
Middlesex
Midland
Mifflin
Millard
Milwaukee
Mineral
Mineral
Minidoka
Minnehaha
Minnesota
Missoula
Modoc
Moffat
Monmouth
Mono
Monroe
Monroe
Monroe
Montana
Montezuma
Montgomery
Montgomery
Montgomery
Montgomery
Montour
Montrose
Mora
Morgan
Morrill
Morris
Morrison
Morrow
Morton
Muskingum
Napa
Natrona
Navajo
Nebraska
Nevada
Nevada
New Brunswick
New Castle
New Hampshire
New Haven
New Jersey
New Mexico
New York
Newton
Nez Perce
Nicollet
Nobles
Norfolk
Norman
North Carolina
North Dakota
Northumberland
Nova Scotia
Oakland
Ocean
Oconto
Oglala Lakota
Ogle
Ohio
Okanogan
Oklahoma
Oliver
Olmsted
Oneida
Oneida
Onondaga
Ontario
Ontario
Orange
Oregon
Orleans
Oswego
Otero
Otsego
Ottawa
Ottawa
Otter Tail
Ouray
Outagamie
Owyhee
Oxford
Ozaukee
Park
Park
Pennington
Pennsylvania
Penobscot
Pepin
Philadelphia
Phillips
Pierce
Pike
Pipestone
Piscataquis
Placer
Platte
Plumas
Plymouth
Plymouth
Polk
Polk
Pondera
Pope
Portage
Portage
Porter
Pottawattamie
Potter
Powder River
Power
Preston
Prince Edward Island
Prince William
Providence
Prowers
Pueblo
Putnam
Quebec
Racine
Ramsey
Randolph
Ransom
Ravalli
Rensselaer
Renville
Rhode Island
Rice
Riley
Rio Arriba
Rio Blanco
Rio Grande
Roberts
Rock
Rock
Rock
Rockingham
Rockingham
Rockland
Roseau
Rutland
Saguache
Saline
Salt Lake
San Juan
San Juan
Sanders
Sandoval
Sandusky
Sangamon
Santa Fe
Saratoga
Sargent
Sarpy
Saskatchewan
Sauk
Saunders
Schoolcraft
Schuyler
Schuylkill
Scott
Scott
Scotts Bluff
Seneca
Seneca
Shasta
Sheboygan
Sherburne
Sheridan
Sheridan
Sheridan
Sibley
Sierra
Sierra
Sioux
Sioux
Sioux
Siskiyou
Socorro
Somerset
Somerset
Sonoma
South Dakota
Spokane
St. Croix
St. Lawrence
St. Louis
Stafford
Stanley
Stanton
Stark
Stark
Staten Island
Stearns
Steele
Steuben
Stevens
Stevens
Stillwater
Story
Strafford
Stutsman
Suffolk
Sullivan
Sullivan
Sullivan
Sullivan
Summit
Susquehanna
Sussex
Swain
Sweetwater
Taos
Tennessee
Teton
Teton
Texas
Texas
Thomas
Thurston
Tioga
Tioga
Todd
Todd
Tolland
Tompkins
Tooele
Trumbull
Tucker
Tuolumne
Twin Falls
Uintah
Ulster
Union
Union
Union
United States
Utah
Utah
Valencia
Valley
Valley
Van Wert
Vermont
Vernon
Vilas
Virginia
Wabasha
Wadena
Waldo
Walker
Walla Walla
Wallowa
Walworth
Warren
Warren
Warren
Warren
Wasco
Washakie
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washoe
Washtenaw
Watauga
Waukesha
Waupaca
Wayne
Wayne
Wayne
Weber
Weld
West Virginia
Westchester
Westmoreland
Whatcom
White Pine
Whitman
Williams
Winchester
Windham
Windsor
Winnebago
Winnebago
Winneshiek
Wisconsin
Woodbury
Woodward
Worcester
Wright
Wright
Wyoming
Wyoming
Yakima
Yankton
Yates
Yellowstone
York
York
Yuma
Research-grade observations by week of year (iNaturalist).