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
Virginia, Climate Division 3 Palmer Z-Index
October-December
Period
Z-Index
Rank
(out of 130)
October-December 2024-1.0832
October-December 2023-0.2557
October-December 20220.7699
October-December 2021-2.662
October-December 20203.16128
October-December 20190.6593
October-December 20183.76130
October-December 2017-2.029
October-December 2016-1.1031
October-December 20152.08122
October-December 20140.0068
October-December 20130.6191
October-December 2012-1.6716
October-December 20111.10110
October-December 2010-0.2655
October-December 20093.21129
October-December 2008-0.3752
October-December 2007-0.9237
October-December 20061.50117
October-December 20051.15111
October-December 20040.2478
October-December 20030.5587
October-December 20021.85121
October-December 2001-2.701
October-December 2000-1.7713
October-December 1999-0.7941
October-December 1998-2.296
October-December 1997-0.1859
October-December 19961.09109
October-December 19950.93107
October-December 1994-1.5817
October-December 19930.0972
October-December 19920.78101
October-December 1991-1.5319
October-December 19901.81120
October-December 19890.1976
October-December 1988-0.6943
October-December 19870.0569
October-December 19860.0670
October-December 19851.61119
October-December 1984-1.2527
October-December 19832.27124
October-December 1982-0.0862
October-December 1981-0.0466
October-December 1980-1.6915
October-December 19790.1875
October-December 1978-0.8140
October-December 19771.61119
October-December 19762.15123
October-December 1975-0.3850
October-December 1974-0.6046
October-December 19730.6392
October-December 19722.74127
October-December 19710.4382
October-December 19700.3581
October-December 19690.1173
October-December 1968-0.0765
October-December 19670.5989
October-December 19660.2177
October-December 1965-2.257
October-December 1964-0.0862
October-December 1963-1.2328
October-December 19620.4784
October-December 19610.90106
October-December 1960-2.0010
October-December 19590.7195
October-December 1958-0.6245
October-December 19570.7397
October-December 1956-0.2655
October-December 1955-1.7614
October-December 19541.29113
October-December 1953-1.8712
October-December 1952-0.1061
October-December 19510.1774
October-December 1950-0.0862
October-December 1949-0.4549
October-December 19482.28125
October-December 19470.4683
October-December 1946-1.2926
October-December 19450.6894
October-December 19440.0871
October-December 1943-1.9411
October-December 19421.06108
October-December 1941-2.413
October-December 1940-0.2058
October-December 1939-0.9836
October-December 1938-0.2754
October-December 19371.32115
October-December 1936-0.5547
October-December 1935-0.0267
October-December 19340.77100
October-December 1933-2.305
October-December 19322.70126
October-December 1931-2.354
October-December 1930-1.4722
October-December 19291.44116
October-December 1928-2.078
October-December 19271.19112
October-December 19260.79102
October-December 1925-0.3153
October-December 1924-0.4948
October-December 1923-1.3424
October-December 1922-0.6444
October-December 1921-1.5319
October-December 19200.5989
October-December 1919-1.5418
October-December 1918-0.1859
October-December 1917-0.8739
October-December 1916-0.9237
October-December 19150.6191
October-December 19140.88105
October-December 19130.2679
October-December 1912-1.0534
October-December 19110.7498
October-December 1910-0.3850
October-December 1909-1.3823
October-December 19080.5587
October-December 19070.83103
October-December 19060.5285
October-December 19050.2980
October-December 1904-1.5221
October-December 1903-1.3125
October-December 19020.86104
October-December 19010.7397
October-December 1900-1.0633
October-December 1899-1.2229
October-December 18981.30114
October-December 1897-1.1330
October-December 1896-1.0235
October-December 1895-0.7442

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