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

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Oregon, Climate Division 5 Palmer Z-IndexAugust-October18952024190519151925193519451955196519751985199520052015-2.002.50-1.50-1.00-0.500.000.501.001.502.00-2.002.50-1.50-1.00-0.500.000.501.001.502.00ZingChart
Oregon, Climate Division 5 Palmer Z-Index
August-October
Period
Z-Index
Rank
(out of 130)
August-October 2024-1.3317
August-October 2023-0.5243
August-October 2022-1.4112
August-October 2021-0.2660
August-October 2020-1.951
August-October 20190.67101
August-October 2018-1.794
August-October 2017-0.7935
August-October 20160.70103
August-October 2015-1.3816
August-October 20140.0272
August-October 20131.09120
August-October 2012-0.9429
August-October 2011-1.0921
August-October 20100.95109
August-October 2009-0.3355
August-October 2008-1.4112
August-October 20070.5896
August-October 2006-1.537
August-October 2005-0.9429
August-October 20040.2383
August-October 2003-1.4014
August-October 2002-1.852
August-October 2001-1.0921
August-October 2000-0.4945
August-October 19990.0873
August-October 1998-0.8632
August-October 19970.82106
August-October 19960.1778
August-October 1995-0.5841
August-October 1994-1.0426
August-October 19930.3889
August-October 1992-0.4846
August-October 1991-0.7038
August-October 1990-0.1766
August-October 19890.92108
August-October 1988-1.666
August-October 1987-1.794
August-October 19860.65100
August-October 19851.07118
August-October 19841.31123
August-October 19830.4692
August-October 19821.30122
August-October 19810.2684
August-October 1980-0.3852
August-October 19790.98112
August-October 1978-0.0170
August-October 19770.96110
August-October 19760.76105
August-October 19750.4191
August-October 1974-1.803
August-October 19730.1778
August-October 1972-0.3058
August-October 19710.2281
August-October 1970-0.6539
August-October 1969-0.1862
August-October 19680.5997
August-October 1967-0.9231
August-October 1966-0.5342
August-October 19650.1676
August-October 1964-1.1819
August-October 19630.1074
August-October 19622.21129
August-October 19610.3186
August-October 1960-1.2018
August-October 19590.3388
August-October 1958-0.1862
August-October 19571.08119
August-October 19561.67127
August-October 1955-0.3156
August-October 1954-0.5044
August-October 19530.3186
August-October 1952-1.4311
August-October 19510.0071
August-October 19502.36130
August-October 1949-1.0921
August-October 19481.06117
August-October 19470.6399
August-October 1946-0.1766
August-October 1945-0.7637
August-October 19440.4090
August-October 19430.1475
August-October 1942-1.1520
August-October 19412.15128
August-October 19400.5594
August-October 1939-0.8632
August-October 1938-1.0824
August-October 1937-0.0968
August-October 1936-1.4014
August-October 1935-0.9727
August-October 1934-0.5940
August-October 1933-0.3554
August-October 1932-1.518
August-October 1931-0.2959
August-October 1930-0.1567
August-October 1929-1.518
August-October 1928-1.0625
August-October 19270.5493
August-October 1926-0.8434
August-October 19251.03114
August-October 19240.5896
August-October 19230.6298
August-October 1922-0.0569
August-October 1921-0.7736
August-October 19201.05115
August-October 1919-0.4050
August-October 19181.25121
August-October 1917-1.5010
August-October 19160.2383
August-October 1915-0.9628
August-October 19141.50125
August-October 19130.72104
August-October 19121.00113
August-October 19110.85107
August-October 1910-0.3951
August-October 19090.3287
August-October 19080.98112
August-October 19071.66126
August-October 1906-0.3852
August-October 1905-0.4747
August-October 1904-0.4747
August-October 1903-0.4249
August-October 1902-0.2061
August-October 19010.70103
August-October 19001.40124
August-October 18991.06117
August-October 18980.1879
August-October 1897-0.1862
August-October 18960.2080
August-October 1895-0.3156

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