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
Pennsylvania, Climate Division 5 Palmer Z-IndexAugust-October18952024190519151925193519451955196519751985199520052015-4.008.00-2.000.002.004.006.00-4.008.00-2.000.002.004.006.00ZingChart
Pennsylvania, Climate Division 5 Palmer Z-Index
August-October
Period
Z-Index
Rank
(out of 130)
August-October 20240.0969
August-October 20231.71112
August-October 2022-0.3553
August-October 20213.35127
August-October 2020-1.3817
August-October 20190.0265
August-October 20183.31125
August-October 20170.8090
August-October 2016-1.3220
August-October 2015-0.2855
August-October 20140.2074
August-October 2013-0.8032
August-October 20121.23100
August-October 20116.62130
August-October 20100.3180
August-October 20091.71112
August-October 2008-0.1161
August-October 2007-0.9030
August-October 20061.74113
August-October 2005-0.5642
August-October 20043.30124
August-October 20033.51129
August-October 20020.2376
August-October 2001-0.7633
August-October 2000-0.2656
August-October 19991.77115
August-October 1998-1.3619
August-October 19970.1573
August-October 19962.24117
August-October 1995-0.9728
August-October 19941.1298
August-October 19930.3882
August-October 19920.0969
August-October 1991-1.4715
August-October 19903.10123
August-October 19890.1372
August-October 1988-0.5642
August-October 19871.33103
August-October 1986-0.2058
August-October 1985-0.6141
August-October 1984-0.4150
August-October 1983-1.0624
August-October 1982-1.1922
August-October 1981-0.4051
August-October 1980-2.274
August-October 19792.43118
August-October 19780.3381
August-October 19771.1096
August-October 19762.80119
August-October 19753.05122
August-October 19740.2376
August-October 19730.5185
August-October 1972-1.649
August-October 1971-0.5544
August-October 1970-0.0363
August-October 1969-0.6739
August-October 1968-0.5147
August-October 19671.0295
August-October 1966-0.7138
August-October 19650.2578
August-October 1964-2.333
August-October 1963-2.342
August-October 19620.5786
August-October 1961-1.3817
August-October 19600.1271
August-October 19590.0366
August-October 19580.2477
August-October 1957-1.5611
August-October 19561.37106
August-October 19553.35127
August-October 1954-0.2357
August-October 1953-2.196
August-October 1952-0.3952
August-October 1951-1.4316
August-October 19500.1271
August-October 1949-0.5345
August-October 1948-0.9927
August-October 1947-1.4914
August-October 19461.1699
August-October 19451.65110
August-October 1944-0.4449
August-October 19430.0164
August-October 19421.37106
August-October 1941-1.5611
August-October 19400.4483
August-October 1939-1.0624
August-October 1938-0.6240
August-October 19371.91116
August-October 1936-0.7534
August-October 1935-1.0426
August-October 19341.45107
August-October 19333.48128
August-October 1932-0.8731
August-October 1931-1.5611
August-October 1930-3.491
August-October 19290.6788
August-October 1928-0.7336
August-October 19270.6989
August-October 19261.35104
August-October 1925-0.2954
August-October 19241.0094
August-October 1923-0.9529
August-October 1922-1.1723
August-October 1921-0.5147
August-October 19200.9192
August-October 19190.2879
August-October 19180.5887
August-October 19172.92120
August-October 1916-0.5345
August-October 19151.62109
August-October 1914-1.2421
August-October 1913-0.1560
August-October 19121.76114
August-October 19113.02121
August-October 1910-0.7534
August-October 1909-1.668
August-October 1908-1.6010
August-October 19071.33103
August-October 19060.4584
August-October 19051.1197
August-October 19040.0567
August-October 19031.61108
August-October 19020.9091
August-October 19011.31101
August-October 1900-2.205
August-October 1899-0.0462
August-October 18980.9893
August-October 1897-0.7336
August-October 1896-0.2058
August-October 1895-1.677

Citing This Page