Divisional Time Series

Data Info Data Service
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 9 Palmer Z-IndexDecember-February18962025190619161926193619461956196619761986199620062016-4.004.00-3.00-2.00-1.000.001.002.003.00-4.004.00-3.00-2.00-1.000.001.002.003.00ZingChart
Michigan, Climate Division 9 Palmer Z-Index
December-February
Period
Z-Index
Rank
(out of 130)
December 2024-February 2025-0.3931
December 2023-February 20240.5284
December 2022-February 20230.6792
December 2021-February 20220.6088
December 2020-February 2021-0.6519
December 2019-February 20201.73123
December 2018-February 20190.6691
December 2017-February 20181.65122
December 2016-February 20171.22114
December 2015-February 20160.0153
December 2014-February 2015-0.4629
December 2013-February 20141.05108
December 2012-February 20131.26115
December 2011-February 20120.8397
December 2010-February 2011-0.3234
December 2009-February 2010-0.1648
December 2008-February 20091.51120
December 2007-February 20082.85129
December 2006-February 20071.04107
December 2005-February 20061.18111
December 2004-February 20052.14127
December 2003-February 2004-0.4530
December 2002-February 2003-1.876
December 2001-February 20020.2770
December 2000-February 20011.18111
December 1999-February 2000-0.7818
December 1998-February 19990.0254
December 1997-February 19981.18111
December 1996-February 19972.06126
December 1995-February 1996-0.6322
December 1994-February 19950.0456
December 1993-February 1994-0.3037
December 1992-February 19930.99106
December 1991-February 1992-0.2441
December 1990-February 19910.2066
December 1989-February 19900.97104
December 1988-February 1989-0.6124
December 1987-February 19880.8397
December 1986-February 1987-0.9816
December 1985-February 19860.1358
December 1984-February 19852.22128
December 1983-February 1984-0.5926
December 1982-February 1983-0.0850
December 1981-February 19820.1057
December 1980-February 19810.1459
December 1979-February 1980-0.2938
December 1978-February 19790.3573
December 1977-February 19780.3372
December 1976-February 1977-1.708
December 1975-February 19761.29116
December 1974-February 19750.6993
December 1973-February 19741.76124
December 1972-February 19730.8598
December 1971-February 19720.3675
December 1970-February 19710.1863
December 1969-February 1970-1.4810
December 1968-February 19690.3675
December 1967-February 19681.34117
December 1966-February 19670.98105
December 1965-February 19660.2770
December 1964-February 19650.4782
December 1963-February 1964-2.642
December 1962-February 1963-2.593
December 1961-February 19620.1965
December 1960-February 1961-2.374
December 1959-February 19601.45119
December 1958-February 19590.1561
December 1957-February 1958-0.3833
December 1956-February 1957-1.1713
December 1955-February 1956-0.6421
December 1954-February 19550.0355
December 1953-February 1954-0.3234
December 1952-February 1953-0.5427
December 1951-February 19520.95101
December 1950-February 19510.7295
December 1949-February 19503.28130
December 1948-February 19491.20112
December 1947-February 1948-0.1747
December 1946-February 1947-0.1249
December 1945-February 1946-0.2441
December 1944-February 1945-2.105
December 1943-February 1944-0.9517
December 1942-February 19430.5385
December 1941-February 1942-0.0652
December 1940-February 1941-0.2046
December 1939-February 1940-1.669
December 1938-February 19390.5686
December 1937-February 19380.96103
December 1936-February 19370.3878
December 1935-February 1936-0.2441
December 1934-February 1935-0.6322
December 1933-February 1934-1.3111
December 1932-February 19330.2467
December 1931-February 19320.91100
December 1930-February 1931-3.141
December 1929-February 19300.5183
December 1928-February 19290.4179
December 1927-February 19280.4680
December 1926-February 1927-0.6519
December 1925-February 19260.1863
December 1924-February 1925-0.2938
December 1923-February 19240.5787
December 1922-February 1923-1.2212
December 1921-February 19220.3776
December 1920-February 1921-0.3136
December 1919-February 1920-1.737
December 1918-February 19190.2871
December 1917-February 1918-0.0850
December 1916-February 1917-1.0314
December 1915-February 19160.2770
December 1914-February 1915-0.3931
December 1913-February 1914-0.6025
December 1912-February 19130.3878
December 1911-February 1912-0.2245
December 1910-February 1911-0.2441
December 1909-February 19100.6590
December 1908-February 19090.4782
December 1907-February 19081.89125
December 1906-February 19071.21113
December 1905-February 19060.1762
December 1904-February 1905-0.5128
December 1903-February 19040.7295
December 1902-February 19030.96103
December 1901-February 1902-0.9915
December 1900-February 1901-0.2840
December 1899-February 19000.6389
December 1898-February 18990.1459
December 1897-February 18981.35118
December 1896-February 18970.8999
December 1895-February 18961.52121

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