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 8 Palmer Z-Index
June-August
Period
Z-Index
Rank
(out of 130)
June-August 20242.14121
June-August 2023-0.1660
June-August 20220.0266
June-August 20212.25125
June-August 2020-1.0437
June-August 20190.7082
June-August 20181.25104
June-August 2017-0.1261
June-August 20161.62115
June-August 20151.41109
June-August 20141.95118
June-August 20130.3773
June-August 2012-2.0711
June-August 20111.0197
June-August 20101.57114
June-August 20091.07100
June-August 20080.7485
June-August 2007-0.2259
June-August 20060.4274
June-August 2005-1.2231
June-August 20041.44111
June-August 2003-1.2133
June-August 2002-0.9538
June-August 20010.8488
June-August 20001.48112
June-August 1999-0.7243
June-August 1998-1.4623
June-August 19970.5977
June-August 19960.0266
June-August 1995-0.3756
June-August 19943.09130
June-August 19932.73128
June-August 19920.6178
June-August 1991-0.4749
June-August 19900.4775
June-August 19890.9392
June-August 1988-3.003
June-August 19870.6981
June-August 19862.73128
June-August 1985-0.1162
June-August 1984-2.289
June-August 1983-1.7716
June-August 19821.42110
June-August 19810.7586
June-August 19802.92129
June-August 19791.32107
June-August 19781.91117
June-August 19770.2571
June-August 1976-0.9340
June-August 19752.49126
June-August 1974-0.9439
June-August 1973-0.4253
June-August 19721.0197
June-August 1971-1.5820
June-August 19701.0498
June-August 19691.11102
June-August 19681.0197
June-August 19670.6780
June-August 1966-0.6546
June-August 1965-0.4651
June-August 1964-0.9340
June-August 1963-0.6247
June-August 1962-1.6819
June-August 1961-1.0935
June-August 19600.8488
June-August 1959-1.3924
June-August 19580.7383
June-August 19570.5676
June-August 1956-0.7144
June-August 1955-0.4848
June-August 19541.11102
June-August 1953-0.9242
June-August 19520.7485
June-August 19511.12103
June-August 19501.49113
June-August 19490.2270
June-August 1948-1.1234
June-August 1947-0.4552
June-August 1946-2.1910
June-August 19450.1068
June-August 1944-1.2929
June-August 1943-0.2758
June-August 19422.17123
June-August 1941-1.0636
June-August 19401.63116
June-August 19390.9190
June-August 19381.0599
June-August 19371.31106
June-August 1936-2.308
June-August 19350.9893
June-August 1934-3.611
June-August 1933-1.3327
June-August 1932-0.3756
June-August 1931-1.7815
June-August 1930-3.242
June-August 1929-1.2231
June-August 19280.8589
June-August 1927-1.5022
June-August 19260.0467
June-August 1925-0.6945
June-August 19241.30105
June-August 1923-1.7018
June-August 1922-1.7716
June-August 1921-1.8014
June-August 1920-1.3825
June-August 1919-2.534
June-August 1918-2.515
June-August 19170.3672
June-August 1916-0.4055
June-August 19151.0094
June-August 1914-0.1063
June-August 1913-2.337
June-August 19121.97119
June-August 1911-0.4154
June-August 1910-1.9413
June-August 19090.6579
June-August 1908-1.3825
June-August 19070.9291
June-August 1906-0.0764
June-August 19052.17123
June-August 1904-0.4749
June-August 19031.35108
June-August 19022.22124
June-August 1901-1.2330
June-August 19002.05120
June-August 1899-1.5321
June-August 1898-2.0012
June-August 1897-1.3327
June-August 18960.1269
June-August 1895-2.456

Citing This Page