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 6 Palmer Z-IndexDecember-February18962025190619161926193619461956196619761986199620062016-3.003.00-2.00-1.000.001.002.00-3.003.00-2.00-1.000.001.002.00ZingChart
Michigan, Climate Division 6 Palmer Z-Index
December-February
Period
Z-Index
Rank
(out of 130)
December 2024-February 2025-1.0016
December 2023-February 20240.0758
December 2022-February 20230.96106
December 2021-February 20220.0155
December 2020-February 2021-0.5929
December 2019-February 20201.61122
December 2018-February 20191.61122
December 2017-February 20181.22112
December 2016-February 20171.20110
December 2015-February 20161.22112
December 2014-February 2015-0.6028
December 2013-February 20140.6692
December 2012-February 20132.66129
December 2011-February 20120.3876
December 2010-February 2011-0.5730
December 2009-February 2010-0.7922
December 2008-February 20092.19126
December 2007-February 20081.61122
December 2006-February 20070.7896
December 2005-February 20061.52119
December 2004-February 20051.84123
December 2003-February 20040.3572
December 2002-February 2003-2.493
December 2001-February 20020.0054
December 2000-February 20010.93105
December 1999-February 20000.3269
December 1998-February 19990.3775
December 1997-February 1998-0.1447
December 1996-February 19972.84130
December 1995-February 1996-0.0451
December 1994-February 1995-0.5033
December 1993-February 19940.0959
December 1992-February 19930.3673
December 1991-February 19920.1663
December 1990-February 1991-0.2541
December 1989-February 1990-0.3438
December 1988-February 1989-0.7723
December 1987-February 19880.8098
December 1986-February 1987-1.1812
December 1985-February 19860.4481
December 1984-February 19852.20127
December 1983-February 1984-0.2442
December 1982-February 19830.8199
December 1981-February 1982-0.1049
December 1980-February 19810.3067
December 1979-February 1980-0.3139
December 1978-February 19790.1261
December 1977-February 19780.3775
December 1976-February 1977-2.702
December 1975-February 19761.28114
December 1974-February 19750.7795
December 1973-February 19741.27113
December 1972-February 19731.35116
December 1971-February 19720.6289
December 1970-February 19710.6491
December 1969-February 1970-1.329
December 1968-February 19690.4080
December 1967-February 19680.5386
December 1966-February 19670.7997
December 1965-February 19660.3978
December 1964-February 19650.5084
December 1963-February 1964-2.484
December 1962-February 1963-2.116
December 1961-February 19620.5688
December 1960-February 1961-1.568
December 1959-February 19601.11108
December 1958-February 19590.0959
December 1957-February 1958-0.6627
December 1956-February 1957-1.0614
December 1955-February 1956-1.329
December 1954-February 1955-0.0353
December 1953-February 1954-0.9519
December 1952-February 19530.3471
December 1951-February 19520.90103
December 1950-February 19510.82100
December 1949-February 19502.53128
December 1948-February 19490.4080
December 1947-February 1948-0.4037
December 1946-February 19470.3168
December 1945-February 19460.5185
December 1944-February 1945-2.335
December 1943-February 1944-1.1812
December 1942-February 19431.10107
December 1941-February 1942-0.4535
December 1940-February 19410.3471
December 1939-February 1940-1.2811
December 1938-February 1939-0.4236
December 1937-February 19381.95124
December 1936-February 19370.3978
December 1935-February 1936-0.5631
December 1934-February 1935-0.0451
December 1933-February 1934-0.7426
December 1932-February 1933-0.0650
December 1931-February 19321.18109
December 1930-February 1931-2.931
December 1929-February 19300.2765
December 1928-February 19290.4883
December 1927-February 19280.4883
December 1926-February 1927-0.7524
December 1925-February 19260.2966
December 1924-February 1925-0.9220
December 1923-February 19240.0256
December 1922-February 1923-0.4634
December 1921-February 19220.86101
December 1920-February 1921-0.1546
December 1919-February 1920-0.8921
December 1918-February 19190.0457
December 1917-February 1918-0.1744
December 1916-February 1917-0.9718
December 1915-February 19160.1663
December 1914-February 1915-0.1348
December 1913-February 1914-1.0315
December 1912-February 1913-0.1744
December 1911-February 1912-0.2740
December 1910-February 1911-0.9917
December 1909-February 19100.1462
December 1908-February 19090.6793
December 1907-February 19081.97125
December 1906-February 19070.87102
December 1905-February 19061.31115
December 1904-February 1905-0.5332
December 1903-February 19040.5688
December 1902-February 19030.91104
December 1901-February 1902-1.787
December 1900-February 1901-0.7524
December 1899-February 19000.6994
December 1898-February 1899-0.2442
December 1897-February 18981.47118
December 1896-February 18971.45117
December 1895-February 18960.6390

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