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Built 2026-10-19 (19 October 2026)

Palmer Threshold Days by Year (ASN00024525)

4 fixed thresholds counted per year at Palmer (ASN00024525): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Palmer Thresholds

  • Palmer: days with 10 mm (0.39 in) or more of precipitation in 112 years, most in 1955 with 21.
  • Palmer: days with 25 mm (0.98 in) or more of precipitation in 86 years, most in 1947 with 7.
  • Palmer: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1933 with 2.
  • Palmer: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1941 with 1.
  • 4 fixed thresholds have at least one qualifying day at Palmer.
112 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Palmer Days per year at Palmer with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1955. 01020301902: 61903: 111904: 61905: 71906: 101907: 91908: 91909: 81910: 121911: 51912: 101913: 111914: 41915: 91916: 101917: 131918: 51919: 71920: 141921: 131922: 111923: 111924: 81925: 61926: 111927: 91928: 161929: 81930: 111931: 71932: 121933: 121934: 71935: 111936: 101937: 141938: 51939: 141940: 51941: 181942: 181943: 101944: 71945: 111946: 161947: 191948: 101949: 101950: 151951: 141952: 111953: 131954: 91955: 211956: 121957: 41958: 111959: 31960: 121961: 71962: 151963: 61964: 111965: 41966: 51967: 31968: 111969: 71970: 81971: 61972: 31973: 101981: 111982: 31983: 131984: 101985: 61986: 111987: 91990: 81991: 51993: 81995: 101996: 121997: 111998: 101999: 102000: 172001: 102002: 52003: 92004: 52005: 182006: 92007: 72008: 62009: 122010: 122011: 92012: 142013: 62014: 122015: 72016: 182017: 112019: 42021: 102022: 72023: 92024: 62025: 62026: 91902191419261938195019621981199720092023
Days per year at Palmer with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 21 in 1955.
Days with 10 mm (0.39 in) or more of precipitation per year at Palmer
YearDaysDecade average
190268.3
1903118.3
190468.3
190578.3
1906108.3
190798.3
190898.3
190988.3
1910128.6
191158.6
1912108.6
1913118.6
191448.6
191598.6
1916108.6
1917138.6
191858.6
191978.6
19201410.7
19211310.7
19221110.7
19231110.7
1924810.7
1925610.7
19261110.7
1927910.7
19281610.7
1929810.7
19301110.3
1931710.3
19321210.3
19331210.3
1934710.3
19351110.3
19361010.3
19371410.3
1938510.3
19391410.3
1940512.4
19411812.4
19421812.4
19431012.4
1944712.4
19451112.4
19461612.4
19471912.4
19481012.4
19491012.4
19501511.3
19511411.3
19521111.3
19531311.3
1954911.3
19552111.3
19561211.3
1957411.3
19581111.3
1959311.3
1960128.1
196178.1
1962158.1
196368.1
1964118.1
196548.1
196658.1
196738.1
1968118.1
196978.1
197086.8
197166.8
197236.8
1973106.8
1981119
198239
1983139
1984109
198569
1986119
198799
199089.3
199159.3
199389.3
1995109.3
1996129.3
1997119.3
1998109.3
1999109.3
2000179.8
2001109.8
200259.8
200399.8
200459.8
2005189.8
200699.8
200779.8
200869.8
2009129.8
20101210.3
2011910.3
20121410.3
2013610.3
20141210.3
2015710.3
20161810.3
20171110.3
2019410.3
2021107.8
202277.8
202397.8
202467.8
202567.8
202697.8
First to last qualifying date each year at Palmer For each year, a bar from the first to the last day at Palmer meeting 10 mm (0.39 in). 1902: 26 March 1902 to 17 December 19021903: 22 April 1903 to 29 November 19031904: 30 June 1904 to 2 November 19041905: 3 January 1905 to 27 October 19051906: 24 March 1906 to 17 December 19061907: 6 February 1907 to 27 December 19071908: 6 March 1908 to 16 October 19081909: 30 April 1909 to 13 November 19091910: 5 March 1910 to 23 December 19101911: 1 February 1911 to 15 September 19111912: 9 March 1912 to 18 November 19121913: 14 February 1913 to 23 December 19131914: 27 February 1914 to 17 November 19141915: 11 April 1915 to 24 September 19151916: 25 April 1916 to 25 November 19161917: 14 February 1917 to 12 December 19171918: 5 March 1918 to 20 August 19181919: 16 February 1919 to 24 December 19191920: 1 June 1920 to 28 December 19201921: 2 January 1921 to 5 November 19211922: 2 May 1922 to 26 December 19221923: 8 May 1923 to 14 December 19231924: 5 March 1924 to 7 November 19241925: 13 January 1925 to 17 September 19251926: 1 May 1926 to 14 October 19261927: 5 January 1927 to 1 November 19271928: 27 January 1928 to 15 October 19281929: 5 June 1929 to 28 December 19291930: 21 February 1930 to 24 October 19301931: 30 June 1931 to 2 December 19311932: 5 February 1932 to 12 October 19321933: 20 January 1933 to 17 September 19331934: 12 April 1934 to 8 November 19341935: 1 April 1935 to 19 October 19351936: 7 January 1936 to 18 December 19361937: 19 January 1937 to 2 December 19371938: 14 January 1938 to 27 November 19381939: 16 January 1939 to 4 November 19391940: 5 January 1940 to 19 December 19401941: 24 January 1941 to 19 November 19411942: 22 April 1942 to 5 December 19421943: 17 February 1943 to 17 December 19431944: 2 April 1944 to 5 July 19441945: 10 January 1945 to 27 December 19451946: 17 January 1946 to 28 December 19461947: 4 February 1947 to 23 December 19471948: 1 March 1948 to 25 December 19481949: 20 February 1949 to 11 November 19491950: 1 February 1950 to 20 December 19501951: 20 February 1951 to 10 October 19511952: 25 January 1952 to 16 October 19521953: 31 January 1953 to 4 November 19531954: 26 January 1954 to 24 December 19541955: 9 February 1955 to 3 December 19551956: 20 March 1956 to 22 August 19561957: 10 April 1957 to 23 October 19571958: 7 March 1958 to 11 October 19581959: 12 August 1959 to 29 October 19591960: 2 February 1960 to 12 November 19601961: 8 February 1961 to 17 November 19611962: 17 January 1962 to 29 December 19621963: 15 May 1963 to 5 December 19631964: 6 February 1964 to 22 December 19641965: 8 May 1965 to 25 November 19651966: 4 May 1966 to 1 December 19661967: 19 May 1967 to 10 August 19671968: 20 January 1968 to 3 December 19681969: 22 February 1969 to 1 December 19691970: 21 March 1970 to 11 December 19701971: 20 February 1971 to 4 November 19711972: 29 June 1972 to 27 December 19721973: 5 February 1973 to 28 November 19731981: 1 June 1981 to 16 November 19811982: 23 March 1982 to 9 October 19821983: 3 March 1983 to 26 November 19831984: 14 January 1984 to 25 August 19841985: 16 March 1985 to 13 September 19851986: 1 July 1986 to 7 December 19861987: 25 January 1987 to 1 December 19871990: 10 January 1990 to 25 September 19901991: 25 April 1991 to 30 August 19911993: 21 January 1993 to 21 December 19931995: 14 January 1995 to 22 October 19951996: 25 January 1996 to 6 December 19961997: 15 January 1997 to 18 December 19971998: 12 April 1998 to 11 November 19981999: 8 January 1999 to 3 December 19992000: 20 February 2000 to 19 October 20002001: 26 January 2001 to 23 November 20012002: 21 January 2002 to 26 November 20022003: 20 February 2003 to 1 October 20032004: 3 August 2004 to 10 December 20042005: 4 January 2005 to 2 December 20052006: 2 January 2006 to 30 December 20062007: 19 January 2007 to 22 December 20072008: 17 May 2008 to 13 December 20082009: 24 April 2009 to 8 December 20092010: 4 February 2010 to 8 December 20102011: 19 February 2011 to 18 December 20112012: 8 January 2012 to 11 October 20122013: 14 January 2013 to 13 September 20132014: 14 February 2014 to 17 November 20142015: 13 January 2015 to 5 November 20152016: 29 January 2016 to 29 December 20162017: 20 January 2017 to 1 December 20172019: 10 May 2019 to 9 August 20192021: 26 January 2021 to 12 November 20212022: 27 January 2022 to 13 November 20222023: 24 January 2023 to 10 December 20232024: 26 January 2024 to 18 October 20242025: 27 May 2025 to 29 November 20252026: 1 March 2026 to 2 October 202619021916193019441958197219972011JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Palmer meeting 10 mm (0.39 in).
First to last qualifying date each year at Palmer
YearFirst dateLast date
19021902-03-261902-12-17
19031903-04-221903-11-29
19041904-06-301904-11-02
19051905-01-031905-10-27
19061906-03-241906-12-17
19071907-02-061907-12-27
19081908-03-061908-10-16
19091909-04-301909-11-13
19101910-03-051910-12-23
19111911-02-011911-09-15
19121912-03-091912-11-18
19131913-02-141913-12-23
19141914-02-271914-11-17
19151915-04-111915-09-24
19161916-04-251916-11-25
19171917-02-141917-12-12
19181918-03-051918-08-20
19191919-02-161919-12-24
19201920-06-011920-12-28
19211921-01-021921-11-05
19221922-05-021922-12-26
19231923-05-081923-12-14
19241924-03-051924-11-07
19251925-01-131925-09-17
19261926-05-011926-10-14
19271927-01-051927-11-01
19281928-01-271928-10-15
19291929-06-051929-12-28
19301930-02-211930-10-24
19311931-06-301931-12-02
19321932-02-051932-10-12
19331933-01-201933-09-17
19341934-04-121934-11-08
19351935-04-011935-10-19
19361936-01-071936-12-18
19371937-01-191937-12-02
19381938-01-141938-11-27
19391939-01-161939-11-04
19401940-01-051940-12-19
19411941-01-241941-11-19
19421942-04-221942-12-05
19431943-02-171943-12-17
19441944-04-021944-07-05
19451945-01-101945-12-27
19461946-01-171946-12-28
19471947-02-041947-12-23
19481948-03-011948-12-25
19491949-02-201949-11-11
19501950-02-011950-12-20
19511951-02-201951-10-10
19521952-01-251952-10-16
19531953-01-311953-11-04
19541954-01-261954-12-24
19551955-02-091955-12-03
19561956-03-201956-08-22
19571957-04-101957-10-23
19581958-03-071958-10-11
19591959-08-121959-10-29
19601960-02-021960-11-12
19611961-02-081961-11-17
19621962-01-171962-12-29
19631963-05-151963-12-05
19641964-02-061964-12-22
19651965-05-081965-11-25
19661966-05-041966-12-01
19671967-05-191967-08-10
19681968-01-201968-12-03
19691969-02-221969-12-01
19701970-03-211970-12-11
19711971-02-201971-11-04
19721972-06-291972-12-27
19731973-02-051973-11-28
19811981-06-011981-11-16
19821982-03-231982-10-09
19831983-03-031983-11-26
19841984-01-141984-08-25
19851985-03-161985-09-13
19861986-07-011986-12-07
19871987-01-251987-12-01
19901990-01-101990-09-25
19911991-04-251991-08-30
19931993-01-211993-12-21
19951995-01-141995-10-22
19961996-01-251996-12-06
19971997-01-151997-12-18
19981998-04-121998-11-11
19991999-01-081999-12-03
20002000-02-202000-10-19
20012001-01-262001-11-23
20022002-01-212002-11-26
20032003-02-202003-10-01
20042004-08-032004-12-10
20052005-01-042005-12-02
20062006-01-022006-12-30
20072007-01-192007-12-22
20082008-05-172008-12-13
20092009-04-242009-12-08
20102010-02-042010-12-08
20112011-02-192011-12-18
20122012-01-082012-10-11
20132013-01-142013-09-13
20142014-02-142014-11-17
20152015-01-132015-11-05
20162016-01-292016-12-29
20172017-01-202017-12-01
20192019-05-102019-08-09
20212021-01-262021-11-12
20222022-01-272022-11-13
20232023-01-242023-12-10
20242024-01-262024-10-18
20252025-05-272025-11-29
20262026-03-012026-10-02

Every Fixed Threshold

Fixed thresholds at Palmer
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1122119559
25 mm (0.98 in): Days with 25 mm or more rain86719472
50 mm (1.97 in): Days with 50 mm or more rain23219331
100 mm (3.94 in): Days with 100 mm or more rain1119411

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

  • Data for Palmer threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).