ValueAnomalyRankMean

Divisional Palmer Z-Index

October - December 1977

-4-3-2-11234

Virginia (Hover over a Climate Division)

Z-IndexPalmer Z-Index:

Anomaly:

Rank:

Mean:

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October - December 1977 Virginia Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Tidewater	2.35	2.44	124	-0.09
2. Eastern Piedmont	2.21	2.35	124	-0.14
3. Western Piedmont	1.61	1.73	119	-0.12
4. Northern	1.77	1.93	122	-0.16
5. Central Mountain	1.41	1.50	113	-0.08
6. Southwestern Mountain	2.75	2.74	128	0.01

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published March 2025, retrieved on March 31, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping