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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Virginia, Climate Division 6 Palmer Z-IndexOctober-December18952024190519151925193519451955196519751985199520052015-3.003.00-2.00-1.000.001.002.00-3.003.00-2.00-1.000.001.002.00ZingChart
Virginia, Climate Division 6 Palmer Z-Index
October-December
Period
Z-Index
Rank
(out of 130)
October-December 2024-1.0229
October-December 2023-1.5619
October-December 20220.6283
October-December 2021-0.8733
October-December 20201.14100
October-December 20191.41108
October-December 20182.93129
October-December 2017-0.0661
October-December 2016-0.9032
October-December 20151.98125
October-December 20141.82121
October-December 20131.19102
October-December 2012-0.3744
October-December 20111.62118
October-December 2010-0.0263
October-December 20092.14127
October-December 2008-0.6640
October-December 2007-1.4422
October-December 20060.7789
October-December 2005-0.8733
October-December 20040.8692
October-December 20031.1399
October-December 20021.82121
October-December 2001-2.523
October-December 2000-1.9412
October-December 1999-1.5717
October-December 1998-2.215
October-December 1997-1.7315
October-December 19961.53115
October-December 19950.3376
October-December 1994-1.4521
October-December 19930.4077
October-December 19920.7286
October-December 19910.0765
October-December 19901.47111
October-December 19890.7789
October-December 1988-0.3744
October-December 1987-0.9731
October-December 19860.8391
October-December 19850.6484
October-December 1984-0.7037
October-December 19831.35107
October-December 19820.8993
October-December 1981-0.3248
October-December 1980-1.1227
October-December 19790.5982
October-December 1978-0.3943
October-December 19772.75128
October-December 19761.90122
October-December 1975-0.1957
October-December 19740.1268
October-December 19731.82121
October-December 19722.10126
October-December 19710.1770
October-December 1970-0.2752
October-December 19690.3074
October-December 1968-0.0661
October-December 19670.9295
October-December 19661.30104
October-December 1965-2.215
October-December 19640.7587
October-December 1963-1.7714
October-December 19621.32105
October-December 19611.56117
October-December 1960-1.0728
October-December 19591.49114
October-December 1958-0.7736
October-December 19571.19102
October-December 1956-0.2056
October-December 1955-2.0510
October-December 19540.0966
October-December 1953-2.891
October-December 1952-0.8535
October-December 19510.3275
October-December 1950-0.1957
October-December 19490.1971
October-December 19481.55116
October-December 1947-0.3049
October-December 1946-1.5520
October-December 19450.7286
October-December 19440.5680
October-December 1943-1.8313
October-December 19421.0898
October-December 1941-2.139
October-December 1940-1.5717
October-December 1939-2.692
October-December 1938-0.9930
October-December 19371.42110
October-December 1936-0.4042
October-December 1935-0.2254
October-December 19340.1067
October-December 1933-2.494
October-December 19321.97124
October-December 1931-1.6616
October-December 1930-1.9911
October-December 19291.93123
October-December 1928-0.7037
October-December 19270.5680
October-December 19262.97130
October-December 19250.4378
October-December 1924-0.3646
October-December 1923-0.2951
October-December 19220.1669
October-December 1921-0.0860
October-December 19200.2673
October-December 19190.7990
October-December 19181.49114
October-December 1917-0.6541
October-December 1916-0.2254
October-December 19151.27103
October-December 19140.5781
October-December 1913-0.3049
October-December 1912-0.6939
October-December 19111.49114
October-December 1910-0.1359
October-December 1909-1.2224
October-December 19080.9796
October-December 19070.9295
October-December 19061.42110
October-December 19050.0664
October-December 1904-1.2224
October-December 1903-1.3723
October-December 1902-0.2752
October-December 19011.33106
October-December 19000.2172
October-December 1899-2.147
October-December 18981.0197
October-December 1897-2.147
October-December 1896-0.3447
October-December 1895-1.2126

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