Climate at a Glance | Divisional Mapping | National Centers for Environmental Information (NCEI)

Divisional Mapping

State:

Parameter:

Year:

Month:

Time Scale:

Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales. Data are available for bulk download.

ValueAnomalyRankMean

Divisional Palmer Z-Index

September - November 1915

-4-3-2-11234

Iowa (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

Text Labels

Download: CSV JSON XML

September - November 1915 Iowa Divisional Palmer Z-Index
Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	1.84	1.65	108	0.19
2. North Central	1.28	1.13	103	0.16
3. Northeast	1.49	1.38	107	0.11
4. West Central	1.55	1.38	105	0.17
5. Central	1.58	1.47	109	0.11
6. East Central	1.24	1.22	98	0.02
7. Southwest	0.39	0.33	85	0.06
8. South Central	0.16	0.12	74	0.04
9. Southeast	0.98	0.95	98	0.03

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published June 2025, retrieved on June 12, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping

Climate at a Glance Divisional Mapping

Divisional Mapping

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