NOAA/NCEI U.S. Climate Division Data: Plotting and Analysis

Plot maps from the monthly NOAA/NCEI U.S. Climate Division dataset including means, anomalies, and climatologies. Maps can be created for an average ("composite") of different years.
Latest data update at PSL: Dec 08, 2025

Data Options

Variable
Statistic
Anomaly base period
Season	Start End
Year(s) 4 DIGIT	Valid range January 1895 to Nov 2025 . Enter year of the starting month.


	OR
	Enter a range of years to

Plotting Options

Contours	Low High Interval (Optional)
Units	English (inches/F) Metric(cm/C)
Scale Plot Size	(10-200%)
White for central values	Yes No
Reverse color table	No Yes

Report Bugs

U.S. Climate Division dataset is obtained from National Centers for Environmental Information (NCEI). Data is provisional and may be subject to correction by NCEI at a later date!

U.S. Climate Division Plotting and Analysis Page: Help

Location of US Climate Divisions

Skip to state below for definition of US climate division.

Alabama	Arizona	Arkansas
California	Colorado	Connecticut
Delaware	Florida	Georgia
Idaho	Illinois	Indiana
Iowa	Kansas	Kentucky
Louisiana	Maine	Maryland
Massachusetts	Michigan	Minnesota
Mississippi	Missouri	Montana
Nebraska	Nevada	New Hampshire
New Jersey	New Mexico	New York
North Carolina	North Dakota	Ohio
Oklahoma	Oregon	Pennsylvania
Rhode Island	South Carolina	South Dakota
Tennessee	Texas	Utah
Vermont	Virginia	Washington
West Virginia	Wisconsin	Wyoming

Alabama (1)	1 North Valley
	2 Appalachian Mountain
	3 Upper Plains
	4 Eastern Valley
	5 Piedmont Plateau
	6 Prairie
	7 Coastal Plain
	8 Gulf
Arizona (2)	1 Northwest
	2 Northeast
	3 North Central
	4 East Central
	5 Southwest
	6 South Central
	7 Southeast
Arkansas (3)	1 Northwest
	2 North Central
	3 Northeast
	4 West Central
	5 Central
	6 East Central
	7 Southwest
	8 South Central
	9 Southeast
California (4)	1 North Coast Drainage
	2 Sacramento Drainage
	3 Northeast Interior Basins
	4 Central Coast Drainage
	5 San Joaquin Drainage
	6 South Coast Drainage
	7 Southeast Desert Basin
Colorado (5)	1 Arkansas Drainage
	2 Colorado Drainage
	3 Kansas Drainage
	4 Platte Drainage
	5 Rio Grande Drainage
Connecticut (6)	1 Northwest
	2 Central
	3 Coastal
Delaware (7)	1 Northern
	2 Southern
Florida (8)	1 Northwest
	2 North
	3 North Central
	4 South Central
	5 Everglades and Southwest Co
	6 Lower East Coast
	7 Keys
Georgia (9)	1 Northwest
	2 North Central
	3 Northeast
	4 West Central
	5 Central
	6 East Central
	7 Southwest
	8 South Central
	9 Southeast
Idaho (10)	1 Panhandle
	2 North Central Prairies
	3 North Central Canyons
	4 Central Mountains
	5 Southwestern Valleys
	6 Southwestern Highlands
	7 Central Plains
	8 Northeastern Valleys
	9 Upper Snake River Plains
	10 Eastern Highlands
Illinois (11)	1 Northwest
	2 Northeast
	3 West
	4 Central
	5 East
	6 West Southwest
	7 East Southeast
	8 Southwest
	9 Southeast
Indiana (12)	1 Northwest
	2 North Central
	3 Northeast
	4 West Central
	5 Central
	6 East Central
	7 Southwest
	8 South Central
	9 Southeast
Iowa (13)	1 Northwest
	2 North Central
	3 Northeast
	4 West Central
	5 Central
	6 East Central
	7 Southwest
	8 South Central
	9 Southeast
Kansas (14)	1 Northwest
	2 North Central
	3 Northeast
	4 West Central
	5 Central
	6 East Central
	7 Southwest
	8 South Central
	9 Southeast
Kentucky (15)	1 Western
	2 Central
	3 Blue Grass
	4 Eastern
Louisiana (16)	1 Northwest
	2 North Central
	3 Northeast
	4 West Central
	5 Central
	6 East Central
	7 Southwest
	8 South Central
	9 Southeast
Maine (17)	1 North
	2 South Interior
	3 Coastal
Maryland (18)	1 Southeastern Shore
	2 Central Eastern Shore
	3 Lower Southern
	4 Upper Southern
	5 Northeastern Shore
	6 North Central
	7 Appalachian Mountains
	8 Allegheny Plateau
Massachusetts (19)	1 West
	2 Central
	3 Coastal
Michigan (20)	1 West Upper
	2 East Upper
	3 Northwest Lower
	4 Northeast Lower
	5 West Central Lower
	6 Central Lower
	7 East Central Lower
	8 Southwest Lower
	9 South Central Lower
	10 Southeast Lower
Minnesota (21)	1 Northwest
	2 North Central
	3 Northeast
	4 West Central
	5 Central
	6 East Central
	7 Southwest
	8 South Central
	9 Southeast
Mississippi (22)	1 Upper Delta
	2 North Central
	3 Northeast
	4 Lower Delta
	5 Central
	6 East Central
	7 Southwest
	8 South Central
	9 Southeast
	10 Coastal
Missouri (23)	1 Northwest Prairie
	2 Northeast Prairie
	3 West Central Plains
	4 West Ozarks
	5 East Ozarks
	6 Bootheel
Montana (24)	1 Western
	2 Southwestern
	3 North Central
	4 Central
	5 South Central
	6 Northeastern
	7 Southeastern
Nebraska (25) Note- there is no division 4 in Nebraska.	1 Panhandle
	2 North Central
	3 Northeast
	5 Central
	6 East Central
	7 Southwest
	8 South Central
	9 Southeast
Nevada (26)	1 Northwestern
	2 Northeastern
	3 South Central
	4 Extreme Southern
New Hampshire (27)	1 North
	2 South
New Jersey (28)	1 Northern
	2 Southern
	3 Coastal
New Mexico (29)	1 Northwestern Plateau
	2 Northern Mountains
	3 Northeastern Plains
	4 Southwestern Mountains
	5 Central Valley
	6 Central Highlands
	7 Southeastern Plains
	8 Southern Desert
New York (30)	1 Western Plateau
	2 Eastern Plateau
	3 Northern Plateau
	4 Coastal
	5 Hudson Valley
	6 Mohawk Valley
	7 Champlain Valley
	8 St. Lawrence Valley
	9 Great Lakes
	10 Central Lakes
North Carolina (31)	1 Southern Mountains
	2 Northern Mountains
	3 Northern Piedmont
	4 Central Piedmont
	5 Southern Piedmont
	6 Southern Coastal Plain
	7 Central Coastal Plain
	8 Northern Coastal Plain
North Dakota (32)	1 Northwest
	2 North Central
	3 Northeast
	4 West Central
	5 Central
	6 East Central
	7 Southwest
	8 South Central
	9 Southeast
Ohio (33)	1 Northwest
	2 North Central
	3 Northeast
	4 West Central
	5 Central
	6 Central Hills
	7 Northeast Hills
	8 Southwest
	9 South Central
	10 Southeast
Oklahoma (34)	1 Panhandle
	2 North Central
	3 Northeast
	4 West Central
	5 Central
	6 East Central
	7 Southwest
	8 South Central
	9 Southeast
Oregon (35)	1 Coastal Area
	2 Willamette Valley
	3 Southwestern Valleys
	4 Northern Cascades
	5 High Plateau
	6 North Central
	7 South Central
	8 Northeast
	9 Southeast
Pennsylvania (36)	1 Pocono Mountains
	2 East Central Mountains
	3 Southeastern Piedmont
	4 Lower Susquehanna
	5 Middle Susquehanna
	6 Upper Susquehanna
	7 Central Mountains
	8 South Central Mountains
	9 Southwest Plateau
	10 Northwest Plateau
Rhode Island (37)	1 Rhode Island
South Carolina (38)	1 Mountain
	2 Northwest
	3 North Central
	4 Northeast
	5 West Central
	6 Central
	7 Southern
South Dakota (39)	1 Northwest
	2 North Central
	3 Northeast
	4 Black Hills
	5 Southwest
	6 Central
	7 East Central
	8 South Central
	9 Southeast
Tennessee (40)	1 Eastern
	2 Cumberland Plateau
	3 Middle
	4 Western
Texas (41)	1 High Plains
	2 Low Rolling Plains
	3 North Central
	4 East Texas
	5 Trans Pecos
	6 Edwards Plateau
	7 South Central
	8 Upper Coast
	9 South
	10 Lower Valley
Utah (42)	1 Western
	2 Dixie
	3 North Central
	4 South Central
	5 Northern Mountains
	6 Uinta Basin
	7 Southeast
Vermont (43)	1 Northeastern
	2 Western
	3 Southeastern
Virginia (44)	1 Tidewater
	2 Eastern Piedmont
	3 Western Piedmont
	4 Northern
	5 Central Mountain
	6 Southwestern Mountain
Washington (45)	1 West Olympic Coast
	2 North East Olympic San Juan
	3 Puget Sound Lowlands
	4 East Olympic Cascade Foothills
	5 Cascade Mountains West
	6 East Slope Cascades
	7 Okanogan Big Bend
	8 Central Basin
	9 Northeastern
	10 Plouse Blue Mountains
West Virginia (46)	1 Northwestern
	2 North Central
	3 Southwestern
	4 Central
	5 Southern
	6 Northeastern
Wisconsin (47)	1 Northwest
	2 North Central
	3 Northeast
	4 West Central
	5 Central
	6 East Central
	7 Southwest
	8 South Central
	9 Southeast
Wyoming (48)	1 Yellowstone Drainage
	2 Snake Drainage
	3 Green and Bear Drainage
	4 Big Horn
	5 Powder, Little Mo & Tongue Drainages
	6 Belle Fourche Drainage
	7 Cheyenne Niobrara Drainage
	8 Lower Platte
	9 Wind River
	10 Upper Platte

U.S. Climate Division Plotting and Analysis Page: Dataset Information

NCEI's Climate Division Webpage. Includes references and related documentation.
Climate division boundaries.
Stations included in division data.
Individual state maps of the climate divisions (with counties).
U.S. State averaged temperature and precipitation climatologies.
How to reference plots.

This is a Research and Development Application

NOAA/NCEI U.S. Climate Division Data: Plotting and Analysis

Data Options

Plotting Options

U.S. Climate Division Plotting and Analysis Page: Help

Directions

Data notes and caveats

How to read file used in plot

Location of US Climate Divisions

U.S. Climate Division Plotting and Analysis Page: Dataset Information

NCEI's Climate Division Webpage. Includes references and related documentation.

Climate division boundaries.

Stations included in division data.

Individual state maps of the climate divisions (with counties).

U.S. State averaged temperature and precipitation climatologies.

How to reference plots.

NOAA/NCEI U.S. Climate Division Data: Plotting and Analysis

Data Options

Plotting Options

U.S. Climate Division Plotting and Analysis Page: Help

Directions

Data notes and caveats

How to read file used in plot

Location of US Climate Divisions

U.S. Climate Division Plotting and Analysis Page: Dataset Information

NCEI's Climate Division Webpage. Includes references and related documentation.

Climate division boundaries.

Stations included in division data.

Individual state maps of the climate divisions (with counties).

U.S. State averaged temperature and precipitation climatologies.

How to reference plots.

U.S. Climate Division Plotting and Analysis Page: Related Analysis Tools

Correlate atmosphere ocean time-series with climate division data.

Beta version of correlation page calculates correlations from 1895.

Atmospheric and Ocean Time-series (SOI, PNA, etc.).

Get time-series from climate division dataset and other datasets.

Plot maps and time series at one climate division (from NCEI).