Divisional Mapping

Divisional Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska or Hawaii. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales. Data are available for bulk download.
Divisional Palmer Z-Index
December 1897 - February 1898
-4-3-2-11234
Michigan (Hover over a Climate Division)
Z-IndexPalmer Z-Index: 1.19
Anomaly: 1.25
Rank: 16th Wettest
Mean: -0.07
December 1897 - February 1898 Michigan Divisional Palmer Z-Index
Climate Division
Value
Anomaly
Rank
130 Years
1901-2000 Mean
1. West Upper0.000.0962-0.09
2. East Upper1.301.43119-0.13
3. Northwest Lower2.242.31127-0.07
4. Northeast Lower2.192.28129-0.08
5. West Central Lower1.031.12111-0.09
6. Central Lower1.471.461180.01
7. East Central Lower0.960.961040.00
8. Southwest Lower1.000.991090.00
9. South Central Lower1.351.331180.02
10. Southeast Lower1.141.15109-0.01

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