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
Texas, Climate Division 8 Palmer Z-IndexDecember-February18962025190619161926193619461956196619761986199620062016-4.004.00-3.00-2.00-1.000.001.002.003.00-4.004.00-3.00-2.00-1.000.001.002.003.00ZingChart
Texas, Climate Division 8 Palmer Z-Index
December-February
Period
Z-Index
Rank
(out of 130)
December 2024-February 2025-0.9834
December 2023-February 20240.7196
December 2022-February 2023-0.6640
December 2021-February 2022-1.4517
December 2020-February 2021-0.3557
December 2019-February 2020-1.0332
December 2018-February 20191.09109
December 2017-February 2018-0.0966
December 2016-February 2017-0.4154
December 2015-February 2016-0.7736
December 2014-February 2015-0.1364
December 2013-February 2014-1.5014
December 2012-February 2013-1.2425
December 2011-February 20120.2879
December 2010-February 2011-1.1428
December 2009-February 20101.31114
December 2008-February 2009-3.381
December 2007-February 2008-0.3358
December 2006-February 20070.8098
December 2005-February 2006-2.308
December 2004-February 2005-0.0270
December 2003-February 20041.20113
December 2002-February 20031.06107
December 2001-February 2002-0.4353
December 2000-February 2001-0.3160
December 1999-February 2000-2.873
December 1998-February 1999-1.0530
December 1997-February 19981.61119
December 1996-February 19970.4989
December 1995-February 1996-0.4650
December 1994-February 19950.7297
December 1993-February 1994-0.5645
December 1992-February 19931.10110
December 1991-February 19923.93130
December 1990-February 19911.52117
December 1989-February 1990-0.7338
December 1988-February 1989-0.9933
December 1987-February 1988-0.7338
December 1986-February 19871.71122
December 1985-February 1986-1.2724
December 1984-February 19850.4083
December 1983-February 19840.2378
December 1982-February 19831.42115
December 1981-February 1982-0.0469
December 1980-February 1981-1.1827
December 1979-February 19800.3280
December 1978-February 19791.13111
December 1977-February 19780.5490
December 1976-February 19770.90102
December 1975-February 1976-1.3819
December 1974-February 1975-0.4848
December 1973-February 19740.0775
December 1972-February 19730.4586
December 1971-February 19720.3781
December 1970-February 1971-1.9710
December 1969-February 1970-0.4451
December 1968-February 19690.0674
December 1967-February 19680.7095
December 1966-February 1967-1.4815
December 1965-February 19661.79126
December 1964-February 1965-0.4848
December 1963-February 19640.4184
December 1962-February 19630.0173
December 1961-February 1962-1.3721
December 1960-February 19612.38128
December 1959-February 19600.7095
December 1958-February 19591.67120
December 1957-February 19580.6693
December 1956-February 1957-1.7313
December 1955-February 1956-1.7712
December 1954-February 1955-0.7537
December 1953-February 1954-1.0431
December 1952-February 1953-0.0171
December 1951-February 1952-1.3023
December 1950-February 1951-2.219
December 1949-February 19501.06107
December 1948-February 1949-0.6441
December 1947-February 19480.85100
December 1946-February 1947-0.5146
December 1945-February 19461.86127
December 1944-February 19450.4687
December 1943-February 19441.59118
December 1942-February 1943-0.4451
December 1941-February 1942-0.3955
December 1940-February 19410.99104
December 1939-February 1940-1.3522
December 1938-February 1939-0.3358
December 1937-February 19380.1676
December 1936-February 1937-0.6441
December 1935-February 19360.5991
December 1934-February 19350.0072
December 1933-February 19340.87101
December 1932-February 1933-0.5943
December 1931-February 19321.70121
December 1930-February 19311.09109
December 1929-February 19300.2277
December 1928-February 19290.6192
December 1927-February 1928-0.2961
December 1926-February 1927-1.2226
December 1925-February 1926-0.0868
December 1924-February 1925-1.0829
December 1923-February 19243.27129
December 1922-February 1923-0.5844
December 1921-February 1922-0.2562
December 1920-February 1921-0.3756
December 1919-February 19200.4285
December 1918-February 19191.19112
December 1917-February 1918-3.381
December 1916-February 1917-2.317
December 1915-February 1916-1.3819
December 1914-February 19151.52117
December 1913-February 1914-0.0868
December 1912-February 19131.06107
December 1911-February 19121.75125
December 1910-February 1911-2.664
December 1909-February 1910-0.5047
December 1908-February 1909-2.395
December 1907-February 19080.4989
December 1906-February 1907-2.376
December 1905-February 1906-0.1463
December 1904-February 19050.3982
December 1903-February 1904-1.9411
December 1902-February 19031.74124
December 1901-February 1902-1.4716
December 1900-February 1901-0.8735
December 1899-February 19001.73123
December 1898-February 1899-0.0966
December 1897-February 18980.96103
December 1896-February 1897-1.4418
December 1895-February 18960.85100

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