Value Anomaly Rank Mean

Divisional Palmer Z-Index Rank (130 years)

September - November 1948

Driest⇣⅒⇣ ⅓Near Normal⇡ ⅓⇡⅒Wettest

South 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

September - November 1948 South Dakota Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Northwest	-0.30	-0.51	49	0.20
2. North Central	-0.35	-0.63	44	0.28
3. Northeast	-0.56	-0.98	35	0.42
4. Black Hills	-0.28	-0.67	48	0.39
5. Southwest	-0.07	-0.47	55	0.40
6. Central	-0.70	-0.94	35	0.24
7. East Central	0.13	-0.14	62	0.27
8. South Central	-0.28	-0.52	51	0.24
9. Southeast	-0.03	-0.25	59	0.22

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published August 2025, retrieved on August 23, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping