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Seasonality — weekly observations
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Acadia Parish
Accomack
Ada
Adair
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Boone
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Campbell
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Canada
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Cannon
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Carbon
Carbon
Carlton
Caroline
Carroll
Carroll
Carroll
Carroll
Carroll
Carroll
Carroll
Carroll
Carson City
Carter
Carter
Carter
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Cass
Cass
Cass
Cass
Cass
Cassia
Castro
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Catawba
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Cedar
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Chambers
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Champaign
Chariton
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Charles Mix
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Charlotte
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Chase
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Chatham
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Cherokee
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Clarendon
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Clark
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Clark
Clark
Clark
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Clarke
Clarke
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Clay
Clay
Clay
Clay
Clay
Clay
Clay
Clay
Clayton
Clear Creek
Clearfield
Clearwater
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Clinton
Clinton
Clinton
Clinton
Cobb
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Coleman
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Colorado
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Columbia
Columbia
Columbia
Columbia
Columbia
Columbia
Columbiana
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Cook
Cooke
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Coweta
Cowley
Cowlitz
Craig
Craighead
Craven
Crawford
Crawford
Crawford
Crawford
Crawford
Crawford
Crawford
Creek
Crockett
Crook
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Cross
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Cumberland
Cumberland
Cumberland
Cumberland
Cumberland
Currituck
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Custer
Custer
Custer
Cuyahoga
Dakota
Dakota
Dale
Dallam
Dallas
Dallas
Dallas
Dallas
Dane
Dare
Darke
Darlington
Dauphin
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Davidson
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Davis
Davison
Dawes
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Decatur
Decatur
Defiance
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DeKalb
DeKalb
DeKalb
DeKalb
Del Norte
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Delaware
Delaware
Delaware
Delaware
Delaware
Delta
Delta
Delta
Dent
Denton
Denver
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Deschutes
Desha
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DeSoto
DeSoto Parish
Deuel
Deuel
DeWitt
DeWitt
Dickens
Dickenson
Dickinson
Dickinson
Dickinson
Dimmit
District of Columbia
Dixie
Dodge
Dodge
Dodge
Dominican Republic
Doña Ana
Donley
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Dorado
Dorchester
Dorchester
Dougherty
Douglas
Douglas
Douglas
Douglas
Douglas
Douglas
Douglas
Douglas
Douglas
Douglas
Douglas
Drew
Dubuque
Dukes
Dundy
Dunn
DuPage
Durango
Durham
Dutchess
Duval
Duval
Dyer
Eagle
Early
East Baton Rouge Parish
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Eastland
Eaton
Eau Claire
Ector
Eddy
Eddy
Edgar
Edgefield
Edmonson
Edmunds
Edwards
Effingham
Effingham
El Dorado
El Paso
El Paso
Elk
Elkhart
Elko
Ellis
Ellis
Ellis
Elmore
Emery
Emmet
Emmet
Emmons
Erath
Erie
Erie
Erie
Escambia
Escambia
Essex
Essex
Essex
Essex
Etowah
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Fairfax
Fairfield
Fairfield
Fairfield
Falls
Fannin
Fannin
Faulk
Faulkner
Fauquier
Fayette
Fayette
Fayette
Fayette
Fayette
Fayette
Fayette
Fayette
Fayette
Fentress
Fillmore
Finistère
Finney
Fisher
Flagler
Flathead
Florida
Floyd
Floyd
Foard
Fond du Lac
Ford
Forest
Forrest
Forsyth
Forsyth
Fort Bend
France
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Franklin
Frederick
Fredericksburg
Freeborn
Freestone
Fremont
Fremont
Fremont
Fresno
Frio
Fulton
Fulton
Fulton
Fulton
Furnas
Gadsden
Gage
Gallatin
Gallia
Galveston
Garden
Garfield
Garfield
Garfield
Garland
Garrett
Garza
Gaston
Gates
Geary
Geauga
Genesee
Genesee
George
Georgetown
Georgia
Gibson
Gibson
Gila
Gilchrist
Giles
Gillespie
Gilmer
Gladwin
Glenn
Gloucester
Gloucester
Glynn
Gogebic
Goliad
Gonzales
Goodhue
Gordon
Grady
Grady
Grafton
Graham
Graham
Grand
Grand Forks
Grand Isle
Grand Traverse
Granite
Grant
Grant
Grant
Grant
Grant
Grant
Grant
Grant
Grant
Grant Parish
Gratiot
Gray
Grayson
Grayson
Greeley
Green
Green Lake
Greenbrier
Greene
Greene
Greene
Greene
Greene
Greene
Greene
Greene
Greene
Greenlee
Greenup
Greenville
Greenwood
Greenwood
Greer
Gregg
Grenada
Grimes
Grundy
Grundy
Guadalupe
Guadalupe
Guanajuato
Guantánamo
Guatemala
Guatemala
Guayanilla
Guernsey
Guilford
Gulf
Gunnison
Gwinnett
Hale
Hale
Halifax
Hall
Hall
Hamblen
Hamilton
Hamilton
Hamilton
Hamilton
Hamilton
Hamilton
Hamilton
Hamilton
Hampden
Hampshire
Hampton
Hampton
Hancock
Hancock
Hancock
Hancock
Hancock
Hand
Hanover
Hansford
Harbour Island
Hardee
Hardeman
Hardin
Hardin
Hardin
Hardin
Harding
Harding
Harford
Harnett
Harney
Harper
Harris
Harris
Harrison
Harrison
Harrison
Harrison
Harrison
Harrison
Harrison
Hart
Hartford
Harvey
Hawaii
Hawaii
Hawkins
Hays
Haywood
Hemphill
Henderson
Henderson
Henderson
Henderson
Hendricks
Hendry
Hennepin
Henrico
Henry
Henry
Henry
Henry
Herkimer
Hernando
Hickory
Hidalgo
Hidalgo
Hidalgo
Highland
Highland
Highlands
Hill
Hillsborough
Hillsborough
Hillsdale
Hinds
Hocking
Hockley
Hodgeman
Holmes
Holmes
Holt
Holt
Honduras
Honolulu
Hood
Hopkins
Hopkins
Horry
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Houghton
Houston
Houston
Houston
Houston
Howard
Howard
Howard
Howard
Howard
Howard
Howell
Hubbard
Hudson
Hudspeth
Huerfano
Hughes
Humboldt
Humboldt
Humphreys
Humphreys
Hunt
Hunterdon
Huntingdon
Huntington
Huron
Huron
Hutchinson
Hutchinson
Hyde
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Iberville Parish
Idaho
Illinois
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Indiana
Indiana
Ingham
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Iowa
Iowa
Iowa
Iredell
Irion
Iron
Iron
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Irwin
Isabella
Isanti
Island
Islas de la Bahía
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Itasca
Izard
Jackson
Jackson
Jackson
Jackson
Jackson
Jackson
Jackson
Jackson
Jackson
Jackson
Jackson
Jackson
Jackson
Jackson
Jackson
Jackson
Jackson
Jalisco
Jamaica
James City
Jasper
Jasper
Jasper
Jasper
Jasper
Jasper
Jay
Jeff Davis
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson
Jefferson Davis Parish
Jefferson Parish
Jenkins
Jerauld
Jersey
Jessamine
Jim Hogg
Jim Wells
Jo Daviess
Johnson
Johnson
Johnson
Johnson
Johnson
Johnson
Johnson
Johnson
Johnson
Johnston
Johnston
Jones
Jones
Jones
Josephine
Juneau
Juniata
Kalamazoo
Kalkaska
Kanawha
Kandiyohi
Kane
Kane
Kankakee
Kansas
Karnes
Kauai
Kaufman
Kay
Keith
Kendall
Kendall
Kenedy
Kennebec
Kenosha
Kent
Kent
Kent
Kent
Kent
Kenton
Kentucky
Keokuk
Kern
Kerr
Kewaunee
Keweenaw
Kidder
Kimble
King
King and Queen
King William
Kingfisher
Kings
Kinney
Kiowa
Kiowa
Kiowa
Kit Carson
Kitsap
Kittitas
Kittson
Klamath
Kleberg
Klickitat
Knox
Knox
Knox
Knox
Koochiching
Kootenai
Kosciusko
Kossuth
La Altagracia
La Crosse
La Paz
La Plata
La Vega
Labette
Lac qui Parle
Lackawanna
Laclede
Lafayette
Lafayette
Lafayette
Lafayette
Lafayette Parish
Lafourche Parish
LaGrange
Lake
Lake
Lake
Lake
Lake
Lake
Lake
Lake
Lake
Lake
Lake
Lake of the Woods
Lamar
Lamar
Lamoille
LaMoure
Lampasas
Lancaster
Lancaster
Lancaster
Lander
Lane
Langlade
Lapeer
LaPorte
Laramie
Larimer
Las Animas
LaSalle
Lassen
Latah
Lauderdale
Lauderdale
Laurens
Lavaca
Lawrence
Lawrence
Lawrence
Lawrence
Lawrence
Le Sueur
Lea
Leavenworth
Lebanon
Lee
Lee
Lee
Lee
Lee
Lee
Leelanau
LeFlore
Lehigh
Lenawee
Leon
Leon
Levy
Lewis
Lewis
Lewis and Clark
Lexington
Liberty
Liberty
Liberty
Licking
Limestone
Limestone
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln
Lincoln Parish
Linn
Linn
Linn
Lipscomb
Litchfield
Little River
Live Oak
Livingston
Livingston
Livingston
Livingston Parish
Llano
Logan
Logan
Logan
Logan
Logan
Long
Lonoke
Lorain
Los Alamos
Los Angeles
Loudoun
Louisa
Louisa
Louisiana
Love
Lowndes
Lowndes
Lubbock
Lucas
Luce
Luna
Lunenburg
Luzerne
Lycoming
Lynchburg
Lynn
Lyon
Lyon
Lyon
Lyon
Mackinac
Macomb
Macon
Macon
Macoupin
Madera
Madison
Madison
Madison
Madison
Madison
Madison
Madison
Madison
Madison
Madison
Madison
Madison
Madison
Madison
Madison
Madison
Madison Parish
Mahoning
Maine
Manatee
Manistee
Manitoba
Manitowoc
Marathon
Marengo
Maricopa
Marin
Marinette
Marion
Marion
Marion
Marion
Marion
Marion
Marion
Marion
Marion
Marion
Mariposa
Marquette
Marquette
Marshall
Marshall
Marshall
Marshall
Marshall
Marshall
Marshall
Marshall
Martin
Martin
Martin
Maryland
Mason
Mason
Mason
Mason
Mason
Massac
Massachusetts
Matagorda
Mathews
Maui
Maury
Maverick
Mayes
McClain
McCook
McCracken
McCulloch
McCurtain
McDonald
McHenry
McHenry
McIntosh
McIntosh
McKean
McKinley
McLean
McLean
McLennan
McLeod
McMullen
McPherson
Meade
Meade
Mecklenburg
Mecklenburg
Mecosta
Medina
Medina
Meeker
Meigs
Menard
Menard
Mendocino
Menominee
Merced
Mercer
Mercer
Mercer
Mercer
Mercer
Meriwether
Merrimack
Mesa
Metcalfe
Mexico
México
Miami
Miami
Miami
Miami-Dade
Michigan
Middlesex
Middlesex
Middlesex
Middlesex
Midland
Midland
Milam
Mille Lacs
Miller
Mills
Milwaukee
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Minidoka
Minnehaha
Minnesota
Mississippi
Mississippi
Mississippi
Missoula
Missouri
Mitchell
Mobile
Modoc
Moffat
Mohave
Monmouth
Mono
Monongalia
Monroe
Monroe
Monroe
Monroe
Monroe
Monroe
Monroe
Monroe
Monroe
Monroe
Monroe
Monroe
Montague
Montana
Monterey
Montgomery
Montgomery
Montgomery
Montgomery
Montgomery
Montgomery
Montgomery
Montgomery
Montgomery
Montgomery
Montgomery
Montgomery
Montgomery
Montmorency
Montour
Montserrat
Moore
Mora
Morelos
Morgan
Morgan
Morgan
Morgan
Morgan
Morgan
Morgan
Morris
Morris
Morrison
Morrow
Morrow
Morton
Morton
Moultrie
Muhlenberg
Multnomah
Murray
Murray
Muscatine
Muscogee
Muskegon
Muskingum
Muskogee
Nacogdoches
Nantucket
Napa
Nash
Nassau
Nassau
Natchitoches Parish
Navajo
Navarro
Nayarit
Nebraska
Nelson
Nelson
Nemaha
Neosho
Ness
Nevada
Nevada
Nevada
New Brunswick
New Castle
New Hampshire
New Hanover
New Haven
New Jersey
New London
New Madrid
New Mexico
New Providence
New York
New York
Newaygo
Newberry
Newfoundland and Labrador
Newport
Newport News
Newton
Newton
Newton
Newton
Newton
Newton
Niagara
Nicholas
Nicholas
Nicollet
Noble
Noble
Noble
Nobles
Nodaway
Nolan
Norfolk
Norfolk
Norman
North Carolina
North Dakota
Northampton
Northampton
Northumberland
Northumberland
Nova Scotia
Nueces
Nuevo León
Nye
Oakland
Oaxaca
Obion
Ocean
Oceana
Oconee
Oconee
Oconto
Ogemaw
Ogle
Oglethorpe
Ohio
Ohio
Okaloosa
Okanogan
Okeechobee
Oklahoma
Oklahoma
Okmulgee
Oktibbeha
Oldham
Oldham
Olmsted
Oneida
Oneida
Onondaga
Onslow
Ontario
Ontario
Ontonagon
Orange
Orange
Orange
Orange
Orange
Orange
Orange
Orangeburg
Oregon
Oregon
Orleans
Orleans
Orleans Parish
Osage
Osage
Osceola
Oscoda
Oswego
Otero
Otero
Otoe
Otsego
Otsego
Ottawa
Ottawa
Ottawa
Ottawa
Otter Tail
Ouachita
Ouachita Parish
Outagamie
Owyhee
Oxford
Ozaukee
Pacific
Page
Page
Palm Beach
Palo Pinto
Pamlico
Panola
Panola
Park
Parke
Parker
Pasco
Passaic
Patrick
Paulding
Paulding
Pawnee
Payne
Peach
Pearl River
Pecos
Pend Oreille
Pender
Pennington
Pennington
Pennsylvania
Penobscot
Peoria
Pepin
Perkins
Perry
Perry
Perry
Perry
Pershing
Person
Pettis
Phelps
Philadelphia
Phillips
Piatt
Pickaway
Pickens
Pickens
Pickett
Pierce
Pierce
Pike
Pike
Pike
Pike
Pima
Pinal
Pinar del Río
Pine
Pinellas
Pipestone
Piscataquis
Pitkin
Pitt
Pittsburg
Pittsylvania
Placer
Plaquemines Parish
Platte
Plumas
Plymouth
Plymouth
Pocahontas
Pocahontas
Poinsett
Polk
Polk
Polk
Polk
Polk
Polk
Polk
Polk
Polk
Pontotoc
Pope
Pope
Pope
Portage
Portage
Porter
Pottawatomie
Pottawatomie
Pottawattamie
Potter
Potter
Poweshiek
Powhatan
Pratt
Preble
Presidio
Presque Isle
Preston
Price
Prince Edward
Prince Edward Island
Prince George's
Prince William
Providence
Prowers
Puebla
Pueblo
Puerto Rico
Puerto Rico
Pulaski
Pulaski
Pulaski
Pulaski
Pushmataha
Putnam
Putnam
Putnam
Putnam
Putnam
Putnam
Quay
Quebec
Queen Anne's
Queens
Querétaro
Quintana Roo
Quitman
Quitman
Rabun
Racine
Radford
Rains
Raleigh
Ralls
Ramsey
Randall
Randolph
Randolph
Randolph
Randolph
Randolph
Rankin
Ransom
Rapides Parish
Rappahannock
Ravalli
Real
Red River Parish
Red Willow
Redwood
Reeves
Refugio
Reno
Rensselaer
Renville
Republic
Reynolds
Rhode Island
Rice
Rice
Richardson
Richland
Richland
Richland
Richland
Richmond
Richmond
Richmond
Richmond
Riley
Ringgold
Rio Arriba
Rio Blanco
Rio Grande
Ripley
Ripley
Riverside
Roane
Roanoke
Roberts
Robertson
Robeson
Rock
Rock
Rock
Rock Island
Rockbridge
Rockdale
Rockingham
Rockingham
Rockland
Rockwall
Rogers
Rolette
Roosevelt
Roscommon
Roseau
Rosebud
Ross
Routt
Rowan
Rowan
Rum Cay
Runnels
Rush
Rusk
Rusk
Russell
Russell
Rutherford
Rutland
Sabine
Sac
Sacramento
Sagadahoc
Saginaw
Saint Pierre and Miquelon
Salem
Saline
Saline
Saline
Salt Lake
Samaná
San Augustine
San Benito
San Bernardino
San Diego
San Francisco
San Jacinto
San Joaquin
San Juan
San Juan
San Juan
San Luis Obispo
San Luis Potosí
San Mateo
San Miguel
San Patricio
San Saba
San Salvador
Sanborn
Sandoval
Sandusky
Sangamon
Sanilac
Sanpete
Santa Barbara
Santa Clara
Santa Cruz
Santa Cruz
Santa Fe
Santa Rosa
Santiago de Cuba
Sarasota
Saratoga
Sargent
Sarpy
Saskatchewan
Sauk
Saunders
Sawyer
Schenectady
Schleicher
Schoharie
Schoolcraft
Schuyler
Schuylkill
Scioto
Scotland
Scott
Scott
Scott
Scott
Scott
Scott
Scott
Scotts Bluff
Screven
Scurry
Searcy
Sebastian
Sedgwick
Seminole
Seminole
Seneca
Seneca
Sequoyah
Sevier
Sevier
Seward
Shannon
Sharp
Shasta
Shawnee
Sheboygan
Shelby
Shelby
Shelby
Shelby
Shelby
Shenandoah
Sherburne
Sheridan
Sheridan
Sherman
Sibley
Sierra
Silver Bow
Simpson
Simpson
Sinaloa
Sioux
Siskiyou
Skagit
Skamania
Smith
Smyth
Snohomish
Socorro
Solano
Somerset
Somerset
Somerset
Somervell
Sonoma
Sonora
South Carolina
South Dakota
Spalding
Spartanburg
Spencer
Spokane
Spotsylvania
St. Bernard Parish
St. Charles
St. Charles Parish
St. Clair
St. Clair
St. Clair
St. Clair
St. Croix
St. Francois
St. Helena Parish
St. James Parish
St. John the Baptist Parish
St. Johns
St. Joseph
St. Landry Parish
St. Lawrence
St. Louis
St. Louis
St. Louis
St. Lucie
St. Martin Parish
St. Mary's
St. Tammany Parish
Stafford
Stafford
Stanislaus
Stanton
Stark
Stark
Starke
Starr
Staten Island
Ste. Genevieve
Stearns
Steele
Stephens
Stephens
Stephenson
Steuben
Steuben
Stevens
Stevens
Stewart
Stewart
Stoddard
Stokes
Stone
Stone
Stonewall
Story
Strafford
Stutsman
Suffolk
Suffolk
Suffolk
Sullivan
Sullivan
Sullivan
Sullivan
Summit
Summit
Sumner
Sumner
Sumter
Sumter
Sumter
Surry
Susquehanna
Sussex
Sussex
Sussex
Sutter
Suwannee
Sweetwater
Swift
Tabasco
Talbot
Talladega
Tallahatchie
Tama
Tamaulipas
Taney
Tangipahoa Parish
Taos
Tarrant
Tattnall
Taylor
Taylor
Tazewell
Tehama
Telfair
Teller
Tennessee
Terrebonne Parish
Terrell
Terrell
Terry
Texas
Texas
Texas
The Bronx
Thomas
Throckmorton
Thurston
Thurston
Tift
Tillamook
Tillman
Tioga
Tippecanoe
Titus
Todd
Todd
Tolland
Tom Green
Tompkins
Tooele
Toombs
Torrance
Transylvania
Travis
Trempealeau
Trigg
Trinity
Trinity
Troup
Trumbull
Tucker
Tulare
Tulsa
Tuolumne
Turner
Tuscaloosa
Tuscarawas
Tuscola
Twin Falls
Tyler
Tyrrell
Ulster
Umatilla
Unicoi
Union
Union
Union
Union
Union
Union
Union
Union
Union Parish
United States
United States Minor Outlying Islands
Upshur
Upshur
Upton
Utah
Utah
Uvalde
Val Verde
Valencia
Valley
Valley
Van Buren
Van Buren
Van Wert
Van Zandt
Vanderburgh
Venango
Ventura
Vermilion
Vermilion Parish
Vermillion
Vermont
Vernon
Vernon
Vernon Parish
Victoria
Vigo
Vilas
Villa Clara
Vinton
Virginia
Virginia Beach
Volusia
Wabash
Wabasha
Wadena
Wagoner
Wake
Wakulla
Waldo
Walker
Walker
Walla Walla
Waller
Wallowa
Walton
Walton
Walworth
Walworth
Ward
Ward
Warren
Warren
Warren
Warren
Warren
Warren
Warren
Warren
Warren
Warrick
Wasco
Waseca
Washburn
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washington
Washoe
Washtenaw
Watauga
Watonwan
Waukesha
Waupaca
Waushara
Wayne
Wayne
Wayne
Wayne
Wayne
Wayne
Wayne
Wayne
Wayne
Weakley
Webb
Weber
Webster
Webster Parish
Weld
Wells
West Baton Rouge Parish
West Carroll Parish
West Feliciana Parish
West Virginia
Westchester
Westmoreland
Westmoreland
Wexford
Wharton
Whatcom
Wheeler
White
Whiteside
Whitfield
Whitley
Whitman
Wichita
Wicomico
Wilcox
Wilkes
Wilkes
Wilkin
Wilkinson
Willacy
Williams
Williamson
Williamson
Wilson
Wilson
Wilson
Windham
Windham
Windsor
Winkler
Winn Parish
Winnebago
Winnebago
Winnebago
Winneshiek
Winona
Wirt
Wisconsin
Wise
Wise
Wood
Wood
Wood
Wood
Woodbury
Woodruff
Woods
Woodson
Woodward
Worcester
Worcester
Worth
Wright
Wright
Wright
Wyandot
Wyandotte
Wyoming
Wyoming
Wyoming
Yakima
Yalobusha
Yamhill
Yancey
Yankton
Yavapai
Yazoo
Yellow Medicine
Yellowstone
Yolo
York
York
York
York
York
Yuba
Yucatán
Yuma
Yuma
Zacatecas
Zapata
Zavala
Research-grade observations by week of year (iNaturalist).
