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
Kentucky, Climate Division 4 Palmer Z-Index
May-July
Period
Z-Index
Rank
(out of 131)
May-July 20251.43107
May-July 20240.2868
May-July 20230.0760
May-July 20222.14123
May-July 20210.8191
May-July 20201.22103
May-July 20191.89120
May-July 20180.6986
May-July 20171.32105
May-July 20161.52112
May-July 20151.25104
May-July 2014-0.1755
May-July 20131.48110
May-July 2012-0.5142
May-July 20110.6885
May-July 20101.0097
May-July 20092.49128
May-July 2008-0.4245
May-July 2007-1.6310
May-July 2006-0.2851
May-July 2005-1.3815
May-July 20041.44108
May-July 20032.53129
May-July 20020.3171
May-July 20011.46109
May-July 20000.8792
May-July 1999-2.244
May-July 19981.60113
May-July 19971.20102
May-July 19961.73116
May-July 19950.5277
May-July 1994-0.1854
May-July 1993-0.8927
May-July 19921.1899
May-July 1991-0.7931
May-July 19900.3773
May-July 19892.09121
May-July 1988-1.816
May-July 1987-0.8927
May-July 1986-1.729
May-July 19850.1362
May-July 19840.7689
May-July 19830.7990
May-July 19820.2565
May-July 19810.9996
May-July 1980-1.4714
May-July 19792.17125
May-July 19780.5076
May-July 1977-0.4644
May-July 19760.7287
May-July 1975-0.7134
May-July 19740.8893
May-July 19731.70115
May-July 19720.5881
May-July 19712.16124
May-July 1970-1.5712
May-July 1969-0.7632
May-July 19680.2767
May-July 19671.87119
May-July 1966-1.2617
May-July 1965-0.8030
May-July 1964-1.5013
May-July 19630.6182
May-July 19620.5580
May-July 19611.83118
May-July 19601.0298
May-July 1959-0.9426
May-July 19581.52112
May-July 1957-1.2419
May-July 19560.5378
May-July 1955-0.7533
May-July 1954-0.9924
May-July 1953-0.3347
May-July 1952-1.1320
May-July 1951-0.5937
May-July 19502.21126
May-July 1949-1.0622
May-July 1948-0.5937
May-July 19470.6383
May-July 19460.4074
May-July 19450.3171
May-July 1944-2.863
May-July 1943-0.6935
May-July 19420.9294
May-July 1941-0.2452
May-July 1940-0.3250
May-July 19390.0057
May-July 19382.14123
May-July 1937-0.5340
May-July 1936-3.511
May-July 19353.00131
May-July 1934-1.808
May-July 19330.0158
May-July 1932-0.5241
May-July 1931-0.8629
May-July 1930-3.192
May-July 19291.19101
May-July 19282.46127
May-July 19270.9495
May-July 1926-0.4046
May-July 1925-0.9625
May-July 19241.19101
May-July 19230.3372
May-July 19220.3171
May-July 1921-1.6011
May-July 19200.1463
May-July 1919-0.3347
May-July 1918-0.3347
May-July 19170.2767
May-July 19160.0559
May-July 19151.40106
May-July 1914-1.816
May-July 1913-1.2816
May-July 19120.5076
May-July 1911-2.235
May-July 19102.62130
May-July 19091.83118
May-July 1908-0.2353
May-July 19071.69114
May-July 19060.0861
May-July 19050.5580
May-July 1904-0.5639
May-July 1903-1.2617
May-July 1902-0.6136
May-July 1901-1.0023
May-July 1900-0.4743
May-July 1899-1.1121
May-July 1898-0.0856
May-July 18970.7488
May-July 18960.6784
May-July 18950.1764

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