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
Illinois Precipitation
December-February
Period
Precipitation
Rank
(out of 130)
December 2024-February 20254.77"24
December 2023-February 20247.43"93
December 2022-February 20237.82"101
December 2021-February 20226.73"72
December 2020-February 20215.84"53
December 2019-February 20208.24"111
December 2018-February 20199.77"125
December 2017-February 20187.02"81
December 2016-February 20174.26"14
December 2015-February 20168.84"119
December 2014-February 20154.83"27
December 2013-February 20146.42"65
December 2012-February 20138.71"118
December 2011-February 20126.72"71
December 2010-February 20116.20"58
December 2009-February 20106.95"78
December 2008-February 20097.69"97
December 2007-February 200810.70"128
December 2006-February 20078.64"113
December 2005-February 20064.78"25
December 2004-February 20059.02"121
December 2003-February 20045.30"40
December 2002-February 20034.65"21
December 2001-February 20026.65"68
December 2000-February 20016.85"75
December 1999-February 20006.81"73
December 1998-February 19998.19"110
December 1997-February 19987.18"85
December 1996-February 19978.09"108
December 1995-February 19964.53"18
December 1994-February 19956.09"57
December 1993-February 19945.10"30
December 1992-February 19938.13"109
December 1991-February 19924.73"22
December 1990-February 19917.86"102
December 1989-February 19906.92"77
December 1988-February 19895.92"55
December 1987-February 19889.09"122
December 1986-February 19873.88"8
December 1985-February 19865.21"37
December 1984-February 19858.69"117
December 1983-February 19846.39"64
December 1982-February 19838.96"120
December 1981-February 19827.21"88
December 1980-February 19814.31"15
December 1979-February 19804.33"16
December 1978-February 19797.93"105
December 1977-February 19784.54"19
December 1976-February 19772.99"4
December 1975-February 19765.62"49
December 1974-February 19758.65"115
December 1973-February 19749.56"124
December 1972-February 19736.34"63
December 1971-February 19727.72"99
December 1970-February 19715.72"51
December 1969-February 19703.40"5
December 1968-February 19697.92"104
December 1967-February 19687.57"95
December 1966-February 19676.84"74
December 1965-February 19666.45"66
December 1964-February 19657.72"99
December 1963-February 19643.54"7
December 1962-February 19632.35"1
December 1961-February 19627.90"103
December 1960-February 19613.90"9
December 1959-February 19607.19"86
December 1958-February 19595.45"43
December 1957-February 19586.50"67
December 1956-February 19576.66"69
December 1955-February 19564.04"11
December 1954-February 19557.00"79
December 1953-February 19545.14"34
December 1952-February 19535.38"42
December 1951-February 19525.66"50
December 1950-February 19517.48"94
December 1949-February 195014.85"130
December 1948-February 194911.12"129
December 1947-February 19485.88"54
December 1946-February 19474.64"20
December 1945-February 19466.21"59
December 1944-February 19455.13"33
December 1943-February 19444.23"13
December 1942-February 19435.05"29
December 1941-February 19426.25"61
December 1940-February 19415.31"41
December 1939-February 19404.09"12
December 1938-February 19398.00"106
December 1937-February 19387.02"81
December 1936-February 193710.07"126
December 1935-February 19364.46"17
December 1934-February 19355.56"47
December 1933-February 19343.44"6
December 1932-February 19337.73"100
December 1931-February 19327.20"87
December 1930-February 19312.47"2
December 1929-February 19308.67"116
December 1928-February 19297.31"90
December 1927-February 19286.24"60
December 1926-February 19275.16"35
December 1925-February 19265.50"44
December 1924-February 19255.95"56
December 1923-February 19246.91"76
December 1922-February 19235.55"46
December 1921-February 19225.57"48
December 1920-February 19215.18"36
December 1919-February 19202.82"3
December 1918-February 19195.80"52
December 1917-February 19184.78"25
December 1916-February 19174.75"23
December 1915-February 191610.35"127
December 1914-February 19157.08"83
December 1913-February 19145.25"38
December 1912-February 19136.71"70
December 1911-February 19125.04"28
December 1910-February 19115.52"45
December 1909-February 19107.08"83
December 1908-February 19097.61"96
December 1907-February 19088.28"112
December 1906-February 19079.19"123
December 1905-February 19067.41"92
December 1904-February 19055.11"32
December 1903-February 19046.25"61
December 1902-February 19037.28"89
December 1901-February 19025.10"30
December 1900-February 19013.98"10
December 1899-February 19007.39"91
December 1898-February 18995.28"39
December 1897-February 18988.65"115
December 1896-February 18977.14"84
December 1895-February 18968.04"107

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