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
Oregon, Climate Division 5 Palmer Z-Index
November-January
Period
Z-Index
Rank
(out of 130)
November 2024-January 20251.35111
November 2023-January 2024-0.6454
November 2022-January 2023-0.3166
November 2021-January 2022-1.0036
November 2020-January 2021-0.9838
November 2019-January 2020-1.3125
November 2018-January 2019-1.1929
November 2017-January 2018-1.2228
November 2016-January 20170.9399
November 2015-January 20161.33110
November 2014-January 2015-0.5956
November 2013-January 2014-3.012
November 2012-January 20130.1380
November 2011-January 2012-0.9442
November 2010-January 20110.4486
November 2009-January 2010-1.1632
November 2008-January 2009-1.1730
November 2007-January 20080.4385
November 2006-January 20070.0879
November 2005-January 20063.44126
November 2004-January 2005-1.2826
November 2003-January 20040.0577
November 2002-January 2003-0.4759
November 2001-January 20020.4789
November 2000-January 2001-2.516
November 1999-January 2000-0.9540
November 1998-January 19991.77116
November 1997-January 1998-0.0772
November 1996-January 19973.47127
November 1995-January 19962.18122
November 1994-January 19950.94100
November 1993-January 1994-2.0711
November 1992-January 19930.8595
November 1991-January 1992-1.4922
November 1990-January 1991-2.525
November 1989-January 1990-1.8916
November 1988-January 19890.96101
November 1987-January 1988-0.2368
November 1986-January 1987-1.6220
November 1985-January 1986-0.6948
November 1984-January 1985-0.0871
November 1983-January 19841.27109
November 1982-January 19830.5190
November 1981-January 19822.93124
November 1980-January 1981-0.7246
November 1979-January 19800.4184
November 1978-January 1979-1.6719
November 1977-January 19781.50114
November 1976-January 1977-4.161
November 1975-January 1976-0.6255
November 1974-January 1975-0.9540
November 1973-January 19743.37125
November 1972-January 1973-0.6651
November 1971-January 19720.8897
November 1970-January 19712.12121
November 1969-January 19701.87119
November 1968-January 19691.83118
November 1967-January 1968-1.9214
November 1966-January 19671.21108
November 1965-January 1966-0.0673
November 1964-January 19654.94130
November 1963-January 19640.4687
November 1962-January 1963-0.6651
November 1961-January 1962-0.3564
November 1960-January 1961-0.5657
November 1959-January 1960-2.753
November 1958-January 1959-1.1133
November 1957-January 19581.02102
November 1956-January 1957-1.1730
November 1955-January 19564.01128
November 1954-January 1955-2.408
November 1953-January 19541.65115
November 1952-January 19531.07104
November 1951-January 19521.16107
November 1950-January 19511.47113
November 1949-January 1950-0.4858
November 1948-January 1949-0.4460
November 1947-January 1948-1.0036
November 1946-January 1947-0.8243
November 1945-January 19461.83118
November 1944-January 1945-0.9739
November 1943-January 1944-2.359
November 1942-January 19434.06129
November 1941-January 19420.5391
November 1940-January 1941-0.6651
November 1939-January 1940-0.7047
November 1938-January 1939-1.7417
November 1937-January 19380.6192
November 1936-January 1937-2.359
November 1935-January 19360.1582
November 1934-January 19350.0376
November 1933-January 1934-2.0012
November 1932-January 1933-1.0435
November 1931-January 1932-0.4061
November 1930-January 1931-2.634
November 1929-January 1930-0.6849
November 1928-January 1929-1.9115
November 1927-January 1928-0.0574
November 1926-January 19271.06103
November 1925-January 1926-1.9813
November 1924-January 1925-0.1769
November 1923-January 1924-1.6918
November 1922-January 19230.0275
November 1921-January 1922-0.8044
November 1920-January 19211.16107
November 1919-January 1920-1.3324
November 1918-January 1919-1.5421
November 1917-January 1918-0.8044
November 1916-January 1917-1.0934
November 1915-January 19161.39112
November 1914-January 1915-2.477
November 1913-January 19141.15105
November 1912-January 1913-0.3962
November 1911-January 1912-0.3067
November 1910-January 19111.91120
November 1909-January 19100.9298
November 1908-January 19090.8394
November 1907-January 19080.2783
November 1906-January 19070.1481
November 1905-January 1906-0.6750
November 1904-January 1905-1.2627
November 1903-January 19040.4789
November 1902-January 19032.20123
November 1901-January 1902-1.4922
November 1900-January 1901-0.3166
November 1899-January 19000.0678
November 1898-January 1899-0.0970
November 1897-January 1898-0.3863
November 1896-January 18970.8293
November 1895-January 18960.8796

Citing This Page