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
Texas, Climate Division 7 Palmer Z-Index
October-December
Period
Z-Index
Rank
(out of 130)
October-December 2024-2.362
October-December 2023-0.6149
October-December 2022-0.3760
October-December 2021-0.3264
October-December 2020-1.5118
October-December 2019-0.9629
October-December 20182.46121
October-December 2017-0.7539
October-December 2016-0.7737
October-December 20151.40109
October-December 20140.0073
October-December 20130.0474
October-December 2012-2.253
October-December 2011-0.5255
October-December 2010-1.6613
October-December 20092.72123
October-December 2008-1.898
October-December 2007-0.9530
October-December 2006-0.5554
October-December 2005-1.5515
October-December 20042.14117
October-December 2003-0.7836
October-December 20023.64128
October-December 20011.13104
October-December 20002.64122
October-December 1999-2.084
October-December 19983.54127
October-December 19971.95116
October-December 1996-0.9927
October-December 1995-0.5753
October-December 19941.92115
October-December 1993-0.4058
October-December 19920.4179
October-December 19911.63112
October-December 1990-1.1024
October-December 1989-1.0026
October-December 1988-2.015
October-December 1987-0.3363
October-December 19862.42119
October-December 19850.9098
October-December 19841.35107
October-December 1983-0.3959
October-December 19820.5783
October-December 19810.6486
October-December 1980-0.5852
October-December 1979-0.9331
October-December 19780.3077
October-December 1977-0.7441
October-December 19763.35126
October-December 1975-0.7144
October-December 19741.02100
October-December 19730.9899
October-December 1972-0.2765
October-December 19710.6789
October-December 1970-1.3123
October-December 19690.6891
October-December 19680.3278
October-December 19670.8997
October-December 1966-1.879
October-December 19651.34106
October-December 1964-0.9232
October-December 1963-0.4157
October-December 1962-0.3662
October-December 1961-0.2167
October-December 19603.78130
October-December 19591.08103
October-December 19581.05101
October-December 19571.88114
October-December 1956-0.9927
October-December 1955-1.5614
October-December 1954-1.5416
October-December 19530.1375
October-December 19520.8495
October-December 1951-1.4321
October-December 1950-2.521
October-December 19490.7092
October-December 1948-1.7312
October-December 1947-0.7638
October-December 19460.6486
October-December 1945-0.8035
October-December 19440.6891
October-December 1943-0.1468
October-December 1942-0.6348
October-December 1941-0.0771
October-December 19403.13125
October-December 1939-1.5019
October-December 1938-0.9033
October-December 19371.07102
October-December 1936-0.0372
October-December 19350.6687
October-December 19340.1976
October-December 1933-1.957
October-December 1932-0.8334
October-December 1931-0.7539
October-December 19301.56110
October-December 19290.8294
October-December 19280.4480
October-December 1927-0.7342
October-December 19260.8997
October-December 19251.32105
October-December 1924-1.7810
October-December 19233.05124
October-December 1922-1.0125
October-December 1921-1.7411
October-December 1920-0.5156
October-December 19191.62111
October-December 19181.84113
October-December 1917-1.986
October-December 1916-1.3422
October-December 1915-1.5317
October-December 19142.20118
October-December 19133.65129
October-December 19120.6084
October-December 19110.6789
October-December 1910-0.6747
October-December 1909-0.3760
October-December 1908-0.2466
October-December 19072.43120
October-December 1906-0.6846
October-December 19050.4781
October-December 1904-0.0870
October-December 1903-0.5951
October-December 19021.39108
October-December 1901-1.5019
October-December 1900-0.6149
October-December 18990.5482
October-December 1898-0.7144
October-December 1897-0.7243
October-December 1896-0.0969
October-December 18950.8294

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