Value Anomaly Rank Mean

Divisional Palmer Z-Index Rank (130 years)

November 1940 - January 1941

Driest⇣⅒⇣ ⅓Near Normal⇡ ⅓⇡⅒Wettest

North Dakota (Hover over a Climate Division)

Z-Index Palmer Z-Index : --

Anomaly: --

Rank: -- Driest

Mean: --

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*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

November 1940 - January 1941 North Dakota Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	-0.50	-0.64	35	0.14
2. North Central	-0.22	-0.30	50	0.08
3. Northeast	0.04	-0.14	64	0.18
4. West Central	-0.45	-0.52	35	0.07
5. Central	0.33	0.17	85	0.16
6. East Central	0.28	0.08	78	0.20
7. Southwest	-0.56	-0.64	33	0.09
8. South Central	-0.19	-0.28	50	0.09
9. Southeast	0.23	-0.02	75	0.26

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published August 2025, retrieved on September 5, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping