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
Iowa, Climate Division 6 Palmer Z-IndexNovember-January18962025190619161926193619461956196619761986199620062016-4.003.00-3.00-2.00-1.000.001.002.00-4.003.00-3.00-2.00-1.000.001.002.00ZingChart
Iowa, Climate Division 6 Palmer Z-Index
November-January
Period
Z-Index
Rank
(out of 130)
November 2024-January 2025-0.2754
November 2023-January 2024-1.1630
November 2022-January 20230.2673
November 2021-January 2022-1.4221
November 2020-January 20210.7998
November 2019-January 20200.6892
November 2018-January 20191.72121
November 2017-January 2018-1.4221
November 2016-January 20170.3178
November 2015-January 20162.49128
November 2014-January 20150.0162
November 2013-January 2014-1.5016
November 2012-January 2013-1.0634
November 2011-January 20120.4786
November 2010-January 20110.0263
November 2009-January 20101.11110
November 2008-January 20090.81101
November 2007-January 20080.7194
November 2006-January 20070.2774
November 2005-January 2006-1.3324
November 2004-January 20050.7194
November 2003-January 20040.89102
November 2002-January 2003-0.9036
November 2001-January 2002-0.6839
November 2000-January 20010.1669
November 1999-January 2000-1.7012
November 1998-January 19990.1568
November 1997-January 1998-0.7637
November 1996-January 1997-0.3952
November 1995-January 1996-0.4748
November 1994-January 19950.3076
November 1993-January 1994-0.1559
November 1992-January 19932.89130
November 1991-January 19921.28116
November 1990-January 19910.5487
November 1989-January 1990-1.4917
November 1988-January 1989-1.6114
November 1987-January 19881.25113
November 1986-January 1987-0.2355
November 1985-January 19861.34117
November 1984-January 19851.01107
November 1983-January 19840.5789
November 1982-January 19832.14126
November 1981-January 19820.81101
November 1980-January 1981-0.4748
November 1979-January 19800.2975
November 1978-January 19791.41118
November 1977-January 19780.4685
November 1976-January 1977-3.012
November 1975-January 1976-1.5715
November 1974-January 19750.1970
November 1973-January 19741.73123
November 1972-January 19731.43119
November 1971-January 19720.91105
November 1970-January 19710.3580
November 1969-January 1970-0.6938
November 1968-January 19691.26114
November 1967-January 19680.0866
November 1966-January 1967-1.2628
November 1965-January 19661.04108
November 1964-January 1965-0.5941
November 1963-January 1964-1.8910
November 1962-January 1963-1.2825
November 1961-January 19622.00125
November 1960-January 1961-0.5544
November 1959-January 19602.76129
November 1958-January 1959-0.1758
November 1957-January 19580.2171
November 1956-January 1957-1.4917
November 1955-January 1956-3.051
November 1954-January 1955-0.0760
November 1953-January 1954-2.556
November 1952-January 19530.4584
November 1951-January 19521.05109
November 1950-January 1951-1.4720
November 1949-January 1950-0.2057
November 1948-January 19491.15111
November 1947-January 1948-1.2727
November 1946-January 19470.7395
November 1945-January 19460.7998
November 1944-January 1945-0.5642
November 1943-January 1944-0.3453
November 1942-January 19431.27115
November 1941-January 19420.2572
November 1940-January 1941-0.2256
November 1939-January 1940-2.437
November 1938-January 19390.3279
November 1937-January 1938-1.2825
November 1936-January 19370.91105
November 1935-January 19360.90103
November 1934-January 19351.51120
November 1933-January 1934-2.885
November 1932-January 19330.0465
November 1931-January 19321.81124
November 1930-January 1931-1.3823
November 1929-January 1930-0.4251
November 1928-January 19292.34127
November 1927-January 19280.0263
November 1926-January 19270.3982
November 1925-January 19260.3178
November 1924-January 1925-0.5346
November 1923-January 1924-0.5642
November 1922-January 1923-1.0933
November 1921-January 19220.6691
November 1920-January 1921-1.6913
November 1919-January 19200.5588
November 1918-January 1919-0.5544
November 1917-January 1918-1.4819
November 1916-January 1917-1.1331
November 1915-January 19161.25113
November 1914-January 19150.3681
November 1913-January 1914-2.018
November 1912-January 1913-1.0135
November 1911-January 19120.81101
November 1910-January 1911-2.894
November 1909-January 19101.73123
November 1908-January 1909-0.6140
November 1907-January 1908-0.4748
November 1906-January 19070.7796
November 1905-January 19060.92106
November 1904-January 1905-1.7311
November 1903-January 19040.1367
November 1902-January 19030.4383
November 1901-January 1902-2.933
November 1900-January 1901-0.0760
November 1899-January 1900-1.909
November 1898-January 1899-1.1132
November 1897-January 1898-1.2628
November 1896-January 18970.6691
November 1895-January 1896-0.4847

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