Value Anomaly Rank Mean

Divisional Palmer Z-Index

July - September 1978

-4-3-2-11234

New York (Hover over a Climate Division)

Z-Index Palmer Z-Index : -0.29

Anomaly: -0.36

Rank: 54th Driest

Mean: 0.07

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*Signifies a tie

**Insufficient variability in the data record renders rank insignificant

July - September 1978 New York Divisional Palmer Z-Index

Climate Division	Value	Anomaly	Rank 130 Years	1901-2000 Mean
1. Western Plateau	-0.52	-0.63	52	0.11
2. Eastern Plateau	0.19	0.09	65	0.10
3. Northern Plateau	-0.53	-0.47	49	-0.06
4. Coastal	0.57	0.48	89	0.09
5. Hudson Valley	-0.26	-0.30	59	0.05
6. Mohawk Valley	-0.21	-0.28	59	0.07
7. Champlain Valley	-1.16	-1.17	21	0.01
8. St. Lawrence Valley	-1.24	-1.25	20	0.00
9. Great Lakes	-0.24	-0.34	58	0.10
10. Central Lakes	-0.43	-0.58	48	0.15

Citing This Page

• NOAA National Centers for Environmental information, Climate at a Glance: Divisional Mapping, published July 2025, retrieved on July 28, 2025 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/divisional/mapping