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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Massachusetts, Climate Division 1 Palmer Z-IndexOctober-December18952024190519151925193519451955196519751985199520052015-3.004.00-2.00-1.000.001.002.003.00-3.004.00-2.00-1.000.001.002.003.00ZingChart
Massachusetts, Climate Division 1 Palmer Z-Index
October-December
Period
Z-Index
Rank
(out of 130)
October-December 2024-1.856
October-December 20230.6596
October-December 20220.0973
October-December 20210.4489
October-December 2020-0.0268
October-December 20191.55115
October-December 20181.77120
October-December 2017-0.8037
October-December 2016-1.3417
October-December 2015-0.8433
October-December 20140.6093
October-December 2013-0.8631
October-December 2012-0.3052
October-December 20110.4590
October-December 20101.42113
October-December 20090.3085
October-December 20081.05107
October-December 20070.3085
October-December 20060.2379
October-December 20053.97130
October-December 2004-0.5942
October-December 20031.67118
October-December 20021.25110
October-December 2001-2.392
October-December 2000-0.4549
October-December 1999-0.5942
October-December 1998-1.2422
October-December 19970.1874
October-December 19961.87122
October-December 19952.16125
October-December 1994-0.7739
October-December 19930.7297
October-December 19920.7798
October-December 19910.2077
October-December 19901.26111
October-December 19890.2680
October-December 19880.3586
October-December 1987-0.1859
October-December 19860.97103
October-December 1985-0.1263
October-December 1984-1.2521
October-December 19831.53114
October-December 1982-1.758
October-December 19810.2077
October-December 1980-1.1624
October-December 19790.0370
October-December 1978-0.7340
October-December 19771.95124
October-December 1976-0.4648
October-December 19750.98104
October-December 1974-0.1958
October-December 19731.42113
October-December 19722.61128
October-December 19710.0471
October-December 1970-0.7838
October-December 19691.72119
October-December 19680.6494
October-December 19670.2882
October-December 1966-0.0866
October-December 1965-1.1525
October-December 1964-2.363
October-December 1963-1.2620
October-December 1962-0.3052
October-December 1961-1.2819
October-December 1960-1.2323
October-December 19592.31126
October-December 1958-0.5047
October-December 1957-0.0169
October-December 1956-0.0866
October-December 19552.46127
October-December 19540.7899
October-December 1953-0.2754
October-December 1952-0.8433
October-December 19511.92123
October-December 19500.2882
October-December 1949-1.797
October-December 19480.5892
October-December 1947-0.6041
October-December 1946-1.5914
October-December 19450.2278
October-December 1944-0.0964
October-December 19430.0772
October-December 19421.62117
October-December 1941-0.5545
October-December 1940-0.4549
October-December 1939-1.0426
October-December 1938-0.8433
October-December 19371.07108
October-December 19360.3787
October-December 1935-1.5016
October-December 1934-0.2356
October-December 1933-0.8830
October-December 19320.93102
October-December 1931-1.3318
October-December 1930-1.6212
October-December 1929-0.8631
October-December 1928-2.601
October-December 19273.40129
October-December 19260.6596
October-December 1925-0.0467
October-December 1924-1.935
October-December 19230.80100
October-December 1922-1.5315
October-December 1921-0.1661
October-December 19200.84101
October-December 1919-0.2356
October-December 1918-0.8433
October-December 1917-0.3551
October-December 1916-1.0227
October-December 19150.2983
October-December 1914-1.689
October-December 1913-0.1362
October-December 1912-0.1760
October-December 19111.57116
October-December 1910-1.6411
October-December 1909-1.6710
October-December 1908-2.234
October-December 19071.79121
October-December 19060.2077
October-December 1905-0.5644
October-December 1904-1.0128
October-December 1903-0.2655
October-December 19020.4288
October-December 19010.99105
October-December 1900-0.5146
October-December 1899-1.6113
October-December 18981.21109
October-December 18971.03106
October-December 1896-0.9929
October-December 18950.5892

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