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
Louisiana, Climate Division 4 Palmer Z-Index
August-October
Period
Z-Index
Rank
(out of 130)
August-October 2024-0.0763
August-October 2023-2.381
August-October 20220.0669
August-October 20210.3179
August-October 20203.28128
August-October 2019-0.0167
August-October 20181.07102
August-October 20172.89126
August-October 20160.1975
August-October 2015-0.0564
August-October 20140.7192
August-October 20130.3179
August-October 20120.2777
August-October 2011-1.6815
August-October 2010-2.164
August-October 20092.49124
August-October 20081.20105
August-October 2007-0.2058
August-October 20062.03121
August-October 2005-0.6145
August-October 20040.3482
August-October 20030.0168
August-October 20021.55112
August-October 20012.23123
August-October 2000-2.145
August-October 1999-1.3723
August-October 19982.07122
August-October 19970.3482
August-October 19961.22107
August-October 1995-0.3552
August-October 19941.68114
August-October 1993-1.4221
August-October 1992-0.0564
August-October 19911.72116
August-October 1990-1.5020
August-October 1989-0.6643
August-October 19880.0970
August-October 1987-0.1760
August-October 19860.5888
August-October 19852.56125
August-October 19841.87118
August-October 1983-0.2554
August-October 19820.2476
August-October 1981-0.2853
August-October 1980-1.6914
August-October 19791.08103
August-October 1978-0.1859
August-October 1977-0.0962
August-October 19760.4185
August-October 19751.22107
August-October 19741.56113
August-October 19732.01120
August-October 19721.12104
August-October 1971-0.0466
August-October 19701.0099
August-October 1969-1.7511
August-October 19681.04100
August-October 1967-0.4249
August-October 19660.4987
August-October 19650.1072
August-October 1964-0.6940
August-October 1963-1.7412
August-October 1962-0.5646
August-October 19611.49109
August-October 19600.8395
August-October 1959-0.6742
August-October 19583.93129
August-October 19570.7091
August-October 1956-2.116
August-October 19551.53110
August-October 1954-1.838
August-October 1953-1.5717
August-October 1952-2.362
August-October 1951-0.9632
August-October 19500.3280
August-October 19490.6189
August-October 1948-1.857
August-October 1947-1.829
August-October 1946-0.1161
August-October 19451.06101
August-October 19440.8897
August-October 1943-0.8537
August-October 1942-0.3850
August-October 19413.00127
August-October 19401.90119
August-October 1939-0.9632
August-October 1938-0.2456
August-October 19371.55112
August-October 1936-0.9434
August-October 1935-0.6841
August-October 1934-1.0929
August-October 1933-1.3822
August-October 1932-1.5219
August-October 1931-1.8010
August-October 19300.4286
August-October 1929-1.6316
August-October 1928-1.7213
August-October 1927-1.0730
August-October 19260.1072
August-October 19250.8496
August-October 1924-2.362
August-October 19231.0099
August-October 1922-0.6244
August-October 1921-0.9731
August-October 19200.6390
August-October 19191.49109
August-October 19181.69115
August-October 1917-0.9434
August-October 1916-1.1127
August-October 19150.8094
August-October 1914-0.7338
August-October 19133.94130
August-October 1912-1.1127
August-October 1911-0.2357
August-October 1910-1.1625
August-October 1909-0.7239
August-October 19080.7393
August-October 1907-0.9236
August-October 19060.4084
August-October 19050.1173
August-October 1904-0.3751
August-October 1903-1.1625
August-October 19020.4084
August-October 1901-0.2554
August-October 19000.1574
August-October 1899-1.5518
August-October 18981.76117
August-October 1897-1.2224
August-October 1896-0.4847
August-October 1895-0.4448

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