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
August-October
Period
Z-Index
Rank
(out of 130)
August-October 2024-1.4914
August-October 20231.13105
August-October 2022-0.2064
August-October 20211.71118
August-October 20200.2276
August-October 20191.04102
August-October 20181.11104
August-October 2017-0.6747
August-October 20160.5085
August-October 20150.7995
August-October 20141.31110
August-October 2013-0.8838
August-October 20120.5187
August-October 20110.4083
August-October 2010-0.8739
August-October 20090.4184
August-October 20081.78121
August-October 2007-0.5953
August-October 20060.93100
August-October 2005-1.2420
August-October 2004-1.4914
August-October 2003-1.5511
August-October 2002-1.6510
August-October 20011.57115
August-October 20000.7094
August-October 1999-0.9236
August-October 1998-2.075
August-October 19971.18107
August-October 19961.50113
August-October 1995-1.0033
August-October 19940.8699
August-October 19931.18107
August-October 19921.77120
August-October 1991-0.5754
August-October 19902.48127
August-October 1989-0.4461
August-October 19880.5488
August-October 19871.53114
August-October 19866.04130
August-October 19852.36126
August-October 19840.6391
August-October 19830.6892
August-October 1982-0.8141
August-October 19814.26129
August-October 19800.6993
August-October 1979-1.826
August-October 1978-0.5158
August-October 19772.72128
August-October 1976-1.2420
August-October 19750.4083
August-October 1974-0.9137
August-October 1973-1.4717
August-October 19721.32111
August-October 1971-1.4518
August-October 19700.3279
August-October 1969-1.4816
August-October 1968-1.1129
August-October 19670.5689
August-October 1966-1.0331
August-October 19650.5187
August-October 1964-0.5357
August-October 1963-1.3819
August-October 19620.1973
August-October 19610.8497
August-October 1960-1.738
August-October 19591.11104
August-October 1958-0.7643
August-October 19570.4083
August-October 1956-0.6052
August-October 1955-1.1528
August-October 19540.5990
August-October 1953-0.6747
August-October 1952-1.5312
August-October 19511.03101
August-October 19500.2075
August-October 1949-1.2223
August-October 1948-2.742
August-October 1947-1.1826
August-October 1946-2.244
August-October 19452.15124
August-October 1944-1.669
August-October 19430.2678
August-October 19421.25109
August-October 19410.8699
August-October 19400.8396
August-October 1939-0.8540
August-October 1938-1.0430
August-October 19370.2678
August-October 1936-0.6946
August-October 1935-1.2025
August-October 1934-0.6450
August-October 1933-0.7444
August-October 19321.36112
August-October 1931-1.5113
August-October 1930-2.901
August-October 1929-0.7942
August-October 19281.70117
August-October 1927-1.2420
August-October 19262.05122
August-October 19250.2075
August-October 1924-0.3263
August-October 1923-0.1465
August-October 1922-0.0670
August-October 1921-0.0670
August-October 1920-1.0331
August-October 1919-0.4759
August-October 1918-0.9835
August-October 1917-0.1166
August-October 1916-1.2124
August-October 19152.13123
August-October 1914-0.5655
August-October 1913-0.0867
August-October 19120.3980
August-October 19111.74119
August-October 1910-0.4660
August-October 1909-1.797
August-October 1908-2.593
August-October 1907-0.6450
August-October 1906-0.5456
August-October 19050.1973
August-October 1904-0.3762
August-October 19032.30125
August-October 19021.66116
August-October 1901-0.9934
August-October 1900-0.0768
August-October 1899-0.6649
August-October 1898-0.0271
August-October 1897-1.1627
August-October 18961.20108
August-October 1895-0.7444

Citing This Page