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.
Base Period
Trend

Filter
Michigan, Climate Division 7 Palmer Z-Index
October-December
Period
Z-Index
Rank
(out of 130)
October-December 2024-1.0135
October-December 20230.2974
October-December 2022-1.8911
October-December 20210.7591
October-December 2020-0.6044
October-December 20192.90129
October-December 20180.6287
October-December 20170.4079
October-December 2016-0.7141
October-December 20150.0163
October-December 20140.8498
October-December 20130.4782
October-December 2012-0.1853
October-December 20110.6085
October-December 2010-1.0634
October-December 2009-0.0260
October-December 20082.05120
October-December 2007-1.1630
October-December 20062.05120
October-December 2005-0.3050
October-December 20040.2673
October-December 20030.6085
October-December 2002-1.4422
October-December 20011.33107
October-December 20000.4883
October-December 1999-2.049
October-December 1998-2.0110
October-December 1997-1.1630
October-December 19961.57113
October-December 19950.8397
October-December 19940.8397
October-December 1993-0.0260
October-December 19922.07122
October-December 19910.8999
October-December 19903.39130
October-December 1989-0.0957
October-December 19882.07122
October-December 19871.20105
October-December 19860.3377
October-December 19852.10123
October-December 19841.43109
October-December 19830.96100
October-December 19820.4681
October-December 19811.12103
October-December 19800.7793
October-December 19790.3478
October-December 1978-0.9337
October-December 19771.47111
October-December 1976-1.4521
October-December 1975-0.6642
October-December 1974-1.1032
October-December 19730.3176
October-December 19722.59127
October-December 1971-0.9337
October-December 19700.7692
October-December 19690.1870
October-December 1968-0.1853
October-December 19671.88118
October-December 1966-0.2052
October-December 19650.0666
October-December 1964-2.315
October-December 1963-2.533
October-December 1962-0.3949
October-December 1961-0.9139
October-December 1960-2.514
October-December 19592.78128
October-December 1958-1.3824
October-December 19571.34108
October-December 1956-2.178
October-December 1955-0.6443
October-December 19542.56126
October-December 1953-1.8413
October-December 1952-1.0733
October-December 19511.88118
October-December 19500.6789
October-December 1949-0.5645
October-December 1948-1.5420
October-December 1947-1.6316
October-December 1946-1.6117
October-December 19451.03102
October-December 1944-2.187
October-December 1943-0.5247
October-December 19421.80116
October-December 19412.37124
October-December 19401.00101
October-December 1939-2.286
October-December 1938-2.962
October-December 1937-0.0659
October-December 1936-1.3923
October-December 1935-0.4548
October-December 1934-1.3525
October-December 19330.7490
October-December 19321.57113
October-December 1931-1.2826
October-December 1930-3.371
October-December 19290.6588
October-December 19281.68115
October-December 1927-0.2951
October-December 19261.31106
October-December 19250.3176
October-December 1924-1.7114
October-December 1923-1.5519
October-December 1922-1.1828
October-December 19210.2572
October-December 19200.0364
October-December 1919-0.8040
October-December 1918-0.0957
October-December 19170.0465
October-December 1916-0.5446
October-December 1915-0.1156
October-December 1914-1.6715
October-December 1913-1.2527
October-December 19120.4580
October-December 19112.48125
October-December 1910-0.9836
October-December 19090.6186
October-December 1908-1.6018
October-December 19070.2572
October-December 19061.63114
October-December 19050.1870
October-December 1904-1.8911
October-December 19030.8397
October-December 19021.45110
October-December 1901-1.1828
October-December 1900-0.0162
October-December 1899-0.1755
October-December 18981.18104
October-December 18970.1268
October-December 18960.0767
October-December 18950.8397

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