Value Anomaly Rank Mean

Divisional Palmer Z-Index

July - September 1959

-4-3-2-11234

North Dakota (Hover over a Climate Division)

Z-Index Palmer Z-Index : -1.13

Anomaly: -1.48

Rank: 27th Driest

Mean: 0.34

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**Insufficient variability in the data record renders rank insignificant

July - September 1959 North Dakota Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	0.79	0.56	94	0.23
2. North Central	-0.97	-1.13	34	0.15
3. Northeast	-0.45	-0.72	41	0.28
4. West Central	-0.93	-1.14	31	0.21
5. Central	-2.17	-2.60	9	0.44
6. East Central	-0.99	-1.40	22	0.41
7. Southwest	-1.07	-1.21	38	0.14
8. South Central	-2.33	-2.65	8	0.31
9. Southeast	-0.60	-1.17	34	0.58

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 29, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping