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 4 Palmer Z-Index
October-December
Period
Z-Index
Rank
(out of 130)
October-December 2024-1.9118
October-December 2023-1.2838
October-December 2022-1.3934
October-December 2021-0.3351
October-December 20201.0794
October-December 20193.33130
October-December 20181.53112
October-December 20172.17124
October-December 2016-2.0216
October-December 2015-0.1654
October-December 20142.49128
October-December 20131.49110
October-December 20120.0562
October-December 20110.7286
October-December 2010-1.3237
October-December 20091.42106
October-December 20080.4481
October-December 2007-2.0515
October-December 20062.04122
October-December 2005-1.2540
October-December 20040.1064
October-December 20030.8287
October-December 2002-2.3410
October-December 20010.9691
October-December 2000-1.8122
October-December 1999-2.567
October-December 1998-1.2739
October-December 1997-2.369
October-December 19961.31103
October-December 19950.9289
October-December 1994-0.0656
October-December 19930.0059
October-December 19921.60115
October-December 19912.33127
October-December 19901.76117
October-December 1989-2.3212
October-December 19881.96120
October-December 19870.6985
October-December 19860.1266
October-December 19852.20125
October-December 19841.45107
October-December 19831.2299
October-December 19821.25101
October-December 1981-1.4331
October-December 1980-1.4630
October-December 19790.3275
October-December 19780.4783
October-December 19771.1295
October-December 1976-2.994
October-December 1975-0.1055
October-December 1974-0.7845
October-December 19730.3779
October-December 19721.98121
October-December 1971-0.3450
October-December 19701.1596
October-December 19691.53112
October-December 19681.29102
October-December 19671.23100
October-December 19661.34104
October-December 19651.64116
October-December 1964-0.6446
October-December 1963-3.173
October-December 1962-1.8023
October-December 19610.3074
October-December 1960-1.4033
October-December 19592.10123
October-December 1958-0.4449
October-December 19570.4180
October-December 1956-1.6827
October-December 1955-1.8421
October-December 19541.58114
October-December 1953-2.616
October-December 1952-1.2341
October-December 19512.55129
October-December 1950-0.0656
October-December 1949-2.645
October-December 1948-2.0017
October-December 1947-2.3410
October-December 1946-1.6827
October-December 19451.58114
October-December 1944-0.8443
October-December 1943-0.8344
October-December 19420.3779
October-December 19412.26126
October-December 19401.84118
October-December 1939-1.8919
October-December 1938-2.1914
October-December 19370.1367
October-December 19360.2473
October-December 1935-1.7425
October-December 19340.0059
October-December 19330.8488
October-December 19321.92119
October-December 19311.2299
October-December 1930-3.481
October-December 1929-0.0358
October-December 19281.46108
October-December 19270.9893
October-December 19261.1697
October-December 1925-1.3835
October-December 1924-1.4232
October-December 1923-1.6129
October-December 1922-0.2752
October-December 19210.1668
October-December 1920-0.2752
October-December 19190.4682
October-December 19180.3576
October-December 19170.2071
October-December 19160.3779
October-December 19150.0161
October-December 1914-2.3212
October-December 1913-2.548
October-December 19120.0763
October-December 19110.9792
October-December 1910-1.7724
October-December 1909-1.8919
October-December 1908-3.382
October-December 1907-1.0842
October-December 19060.2272
October-December 1905-0.5948
October-December 1904-1.7226
October-December 19030.1064
October-December 19020.9691
October-December 19010.1870
October-December 19000.6684
October-December 1899-0.6446
October-December 18981.49110
October-December 18970.1870
October-December 18961.39105
October-December 1895-1.3436

Citing This Page