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Seasonality — weekly observations
iNat + OC
iNat
OC
Worldwide
Abbeville
Ada
Adams
Adams
Adams
Adams
Adams
Addison
Alabama
Alamance
Albany
Albany
Albemarle
Alberta
Alexandria
Alger
Allamakee
Allegan
Allegany
Allegany
Allegheny
Allen
Allen
Amherst
Anderson
Anne Arundel
Anoka
Antrim
Arapahoe
Arkansas
Arlington
Armstrong
Aroostook
Ashe
Ashland
Ashland
Ashtabula
Asotin
Atchison
Athens
Auglaize
Augusta
Avery
Baca
Baltimore City
Baltimore County
Bannock
Baraga
Barbour
Barnes
Barnstable
Barry
Bath
Bayfield
Beaver
Becker
Bedford
Belknap
Beltrami
Benewah
Bennett
Bennington
Benton
Benton
Benton
Benton
Benzie
Bergen
Berks
Berkshire
Bernalillo
Berrien
Bibb
Black Hawk
Blaine
Blue Earth
Boise
Bonner
Bonneville
Boone
Boone
Bottineau
Boulder
Boundary
Boyle
Bristol
Bristol
British Columbia
Brookings
Broome
Broomfield
Brown
Buchanan
Buckingham
Bucks
Buena Vista
Buncombe
Burleigh
Burlington
Butler
Butler
Butte
Cache
Caledonia
Calhoun
California
Calvert
Cambria
Camden
Campbell
Canada
Canyon
Caribou
Carlton
Carroll
Carroll
Carroll
Carroll
Carroll
Carter
Carver
Cass
Cassia
Catawba
Cattaraugus
Cayuga
Cecil
Centre
Champaign
Champaign
Charles
Charlevoix
Charlottesville
Chautauqua
Chelan
Chenango
Cherry
Cheshire
Chester
Chesterfield
Chippewa
Chippewa
Chisago
Chittenden
Clackamas
Clallam
Clare
Clarion
Clark
Clark
Clarke
Clatsop
Clearfield
Clearwater
Clermont
Clinton
Clinton
Clinton
Clinton
Clinton
Cobb
Codington
Colfax
Colorado
Columbia
Columbia
Columbia
Columbiana
Connecticut
Cook
Cook
Coos
Coös
Cortland
Coshocton
Cowlitz
Craig
Crawford
Crawford
Crawford
Crook
Crook
Crow Wing
Cumberland
Cumberland
Cumberland
Curry
Cuyahoga
Dakota
Dane
Darke
Dauphin
Davidson
Davis
Dawes
Defiance
DeKalb
DeKalb
DeKalb
DeKalb
Del Norte
Delaware
Delaware
Delaware
Delaware
Dent
Denver
Deschutes
Deuel
District of Columbia
Door
Douglas
Douglas
Douglas
Douglas
Douglas
Douglas
Douglas
Dubuque
Dukes
Dundy
Dunn
DuPage
Durham
Dutchess
Eaton
Eau Claire
El Dorado
El Paso
Elk
Elko
Emmet
Erie
Erie
Erie
Essex
Essex
Essex
Essex
Fairfax
Fairfax
Fairfield
Fairfield
Fannin
Fauquier
Fayette
Fayette
Fayette
Fentress
Fillmore
Flathead
Floyd
Fond du Lac
Forsyth
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Frederick
Fredericksburg
Freeborn
Fremont
Fresno
Fulton
Fulton
Fulton
Fulton
Garden
Garrett
Geauga
Genesee
Georgia
Giles
Gilliam
Glenn
Gloucester
Gogebic
Grafton
Grand Forks
Grand Isle
Grand Traverse
Grant
Grant
Grant
Grant
Gratiot
Grays Harbor
Grayson
Green
Greenbrier
Greene
Greene
Greene
Greene
Greene
Greenville
Guernsey
Gwinnett
Hamilton
Hamilton
Hamilton
Hamilton
Hampden
Hampshire
Hancock
Hancock
Hardin
Hardin
Harford
Harney
Harper
Harrison
Harrisonburg
Hartford
Hawkins
Haywood
Henderson
Hennepin
Henry
Herkimer
Highland
Hillsborough
Hocking
Holmes
Houghton
Houston
Howard
Howard
Hubbard
Humboldt
Hunterdon
Huntingdon
Huron
Idaho
Illinois
Indiana
Indiana
Ingham
Inyo
Iosco
Iowa
Iowa
Isabella
Itasca
Jackson
Jackson
Jackson
Jasper
Jasper
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jo Daviess
Johnson
Johnson
Johnson
Johnson
Jones
Josephine
Juneau
Kalamazoo
Kanawha
Kane
Kankakee
Kansas
Kendall
Kennebec
Kenosha
Kent
Kent
Kent
Kentucky
Keweenaw
King
Kitsap
Kittitas
Klamath
Klickitat
Knox
Knox
Knox
Knox
Knox
Koochiching
Kootenai
Kosciusko
La Crosse
La Plata
Lackawanna
Lafayette
Lake
Lake
Lake
Lake
Lake
Lake of the Woods
Lamoille
Lancaster
Lancaster
Lane
Langlade
Lapeer
Laramie
Larimer
Las Animas
LaSalle
Lassen
Latah
Lawrence
Leavenworth
Lebanon
Leelanau
Lehigh
Lewis
Lewis
Lewis and Clark
Lexington
Licking
Lincoln
Lincoln
Linn
Linn
Litchfield
Livingston
Livingston
Logan
Lorain
Loudoun
Louisa
Lucas
Luzerne
Mackinac
Macomb
Macon
Madison
Madison
Madison
Madison
Madison
Madison
Madison
Mahoning
Maine
Malheur
Manitoba
Manitowoc
Marin
Marinette
Marion
Marion
Marion
Marion
Mariposa
Marquette
Maryland
Mason
Massachusetts
McDowell
McHenry
McKean
McLean
McPherson
Medina
Mendocino
Mercer
Mercer
Merrimack
Miami
Michigan
Middlesex
Middlesex
Middlesex
Midland
Milwaukee
Mineral
Minnesota
Missoula
Missouri
Mitchell
Monmouth
Mono
Monongalia
Monroe
Monroe
Monroe
Monroe
Monroe
Montana
Montgomery
Montgomery
Montgomery
Montgomery
Mora
Morris
Morrison
Morrow
Morrow
Morton
Multnomah
Muskegon
Muskingum
Napa
Nassau
Nebraska
Nelson
Nevada
New Brunswick
New Castle
New Hampshire
New Haven
New Jersey
New London
New Mexico
New York
Newaygo
Newfoundland and Labrador
Newport
Newton
Nez Perce
Nicholas
Nodaway
Norfolk
North Carolina
North Dakota
Northampton
Northumberland
Northwest Territories
Nottoway
Nova Scotia
Oakland
Ocean
Oceana
Ohio
Okanogan
Oklahoma
Oklahoma
Olmsted
Oneida
Oneida
Onondaga
Ontario
Ontario
Ontonagon
Orange
Orange
Orange
Oregon
Orleans
Osage
Oswego
Otsego
Ottawa
Ottawa
Otter Tail
Outagamie
Oxford
Ozaukee
Pacific
Page
Park
Passaic
Patrick
Paulding
Pend Oreille
Pennington
Pennsylvania
Penobscot
Peoria
Perry
Perry
Perry
Phelps
Philadelphia
Piatt
Pickaway
Pickens
Pierce
Pierce
Pike
Pike
Pipestone
Piscataquis
Placer
Plumas
Plymouth
Pocahontas
Polk
Polk
Polk
Portage
Portage
Powhatan
Preston
Price
Prince Edward Island
Prince George's
Prince William
Providence
Pueblo
Pulaski
Pulaski
Putnam
Putnam
Quebec
Queens
Rabun
Racine
Raleigh
Ramsey
Randolph
Randolph
Ravalli
Rensselaer
Rhode Island
Rice
Richland
Richland
Richmond
Rio Arriba
Rio Blanco
Roberts
Rock
Rock
Rock Island
Rockbridge
Rockdale
Rockingham
Rockingham
Rockland
Roscommon
Roseau
Ross
Routt
Rowan
Rutland
Sacramento
Sagadahoc
Saginaw
Saint Pierre and Miquelon
Salt Lake
San Juan
San Miguel
Sandoval
Sandusky
Sangamon
Santa Fe
Saratoga
Saskatchewan
Sauk
Schenectady
Schoharie
Schuyler
Schuylkill
Scott
Scott
Scotts Bluff
Seneca
Seneca
Sevier
Shannon
Shasta
Sheboygan
Shelby
Shelby
Shenandoah
Sherburne
Sherman
Shiawassee
Sierra
Siskiyou
Skagit
Skamania
Smyth
Snohomish
Snyder
Solano
Somerset
Somerset
Somerset
Sonoma
South Carolina
South Dakota
Spokane
Spotsylvania
St. Charles
St. Clair
St. Joseph
St. Lawrence
St. Louis
Stark
Starke
Staten Island
Stearns
Steele
Stephenson
Steuben
Story
Strafford
Suffolk
Suffolk
Sullivan
Sullivan
Sullivan
Summit
Summit
Sumner
Susquehanna
Sussex
Swain
Talbot
Tama
Taos
Tazewell
Tazewell
Tennessee
Teton
Teton
The Bronx
Thurston
Tillamook
Tioga
Tippecanoe
Tolland
Tompkins
Towns
Transylvania
Trinity
Trumbull
Tucker
Tulare
Tuolumne
Tuscarawas
Ulster
Umatilla
Unicoi
Union
Union
Union
Union
Union
United States
Utah
Utah
Valley
Van Buren
Van Wert
Venango
Vermilion
Vermont
Vernon
Vilas
Virginia
Wabasha
Wahkiakum
Wake
Waldo
Walker
Walla Walla
Wallowa
Walworth
Warren
Warren
Warren
Warren
Wasatch
Wasco
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washtenaw
Watauga
Waukesha
Waupaca
Wayne
Wayne
Wayne
Wayne
Wayne
Weld
West Virginia
Westchester
Westmoreland
Whatcom
White
Whitfield
Whitman
Wilkes
Williamsburg
Williamson
Winchester
Windham
Windham
Windsor
Winnebago
Winona
Wisconsin
Wood
Worcester
Wyandot
Wyoming
Wyoming
Yakima
Yamhill
Yancey
Yates
Yellowstone
York
York
Yukon
Research-grade observations by week of year (iNaturalist).
