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
New Hampshire, Climate Division 1 Palmer Z-Index
October-December
Period
Z-Index
Rank
(out of 130)
October-December 2024-1.0026
October-December 20230.60100
October-December 20220.4594
October-December 2021-0.6838
October-December 2020-0.0775
October-December 20190.68103
October-December 20181.19115
October-December 20170.70104
October-December 2016-0.2763
October-December 20150.0982
October-December 20140.5497
October-December 2013-0.5248
October-December 20120.2489
October-December 20110.0177
October-December 20102.10122
October-December 20091.00109
October-December 20081.62120
October-December 20071.42117
October-December 20061.48118
October-December 20054.06130
October-December 2004-0.2763
October-December 20033.45128
October-December 2002-0.5447
October-December 2001-2.115
October-December 20000.0278
October-December 1999-0.6540
October-December 1998-0.9928
October-December 1997-0.3857
October-December 19961.13114
October-December 19951.95121
October-December 1994-2.076
October-December 1993-0.2067
October-December 1992-0.4551
October-December 19910.1183
October-December 19902.33124
October-December 1989-0.0973
October-December 1988-0.4153
October-December 1987-0.1669
October-December 1986-0.6838
October-December 1985-0.3261
October-December 1984-0.5745
October-December 19832.76126
October-December 1982-1.0026
October-December 19810.97108
October-December 19800.0580
October-December 1979-0.9630
October-December 1978-1.2121
October-December 19771.57119
October-December 19760.3991
October-December 19750.77105
October-December 1974-0.2565
October-December 19732.37125
October-December 19721.42117
October-December 1971-0.5248
October-December 1970-0.3559
October-December 19692.26123
October-December 19680.63102
October-December 1967-0.1172
October-December 1966-0.5842
October-December 1965-0.0676
October-December 1964-0.5546
October-December 1963-0.7435
October-December 19621.01110
October-December 1961-1.3115
October-December 1960-0.8932
October-December 19592.80127
October-December 1958-0.6937
October-December 19570.95107
October-December 1956-1.1923
October-December 1955-1.2717
October-December 19540.4695
October-December 1953-1.3016
October-December 1952-0.5842
October-December 19510.4493
October-December 19500.4392
October-December 1949-1.4114
October-December 1948-0.4252
October-December 1947-2.543
October-December 19460.1984
October-December 19451.04112
October-December 1944-0.3955
October-December 19430.92106
October-December 1942-0.1570
October-December 1941-0.5150
October-December 19400.2489
October-December 1939-0.9729
October-December 1938-0.4153
October-December 19370.60100
October-December 19361.04112
October-December 1935-1.1224
October-December 1934-0.2366
October-December 1933-0.0775
October-December 1932-0.3955
October-December 1931-1.2419
October-December 1930-1.929
October-December 1929-1.2022
October-December 1928-1.2320
October-December 19273.61129
October-December 19260.2386
October-December 19250.2285
October-December 1924-1.5912
October-December 19230.3590
October-December 1922-1.8311
October-December 1921-0.6341
October-December 19200.4996
October-December 1919-0.1768
October-December 19180.2489
October-December 1917-0.3460
October-December 1916-0.9431
October-December 1915-1.0825
October-December 1914-2.791
October-December 1913-0.7236
October-December 1912-0.3758
October-December 1911-0.3261
October-December 1910-1.5513
October-December 1909-2.194
October-December 1908-2.772
October-December 19071.07113
October-December 1906-0.8633
October-December 1905-1.2618
October-December 1904-1.978
October-December 1903-1.8510
October-December 1902-0.1371
October-December 19010.0479
October-December 19000.0982
October-December 1899-2.017
October-December 1898-0.5842
October-December 18970.63102
October-December 1896-0.7834
October-December 18950.5598

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