ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1989

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Virginia (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1989 Virginia Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Tidewater	0.97	1.07	104	-0.09
2. Eastern Piedmont	0.39	0.53	89	-0.14
3. Western Piedmont	0.19	0.31	76	-0.12
4. Northern	0.05	0.21	71	-0.16
5. Central Mountain	0.43	0.51	83	-0.08
6. Southwestern Mountain	0.77	0.76	89	0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published April 2025, retrieved on April 13, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping