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Built 2026-10-19 (19 October 2026)

Shackleton Post Office Threshold Days by Year

3 fixed thresholds counted per year at Shackleton Post Office (ASN00010283): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Shackleton Post Office Thresholds

  • Shackleton Post Office: days with 10 mm (0.39 in) or more of precipitation in 67 years, most in 1963 with 17.
  • Shackleton Post Office: days with 25 mm (0.98 in) or more of precipitation in 51 years, most in 1917 with 6.
  • Shackleton Post Office: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 1955 with 2.
  • 3 fixed thresholds have at least one qualifying day at Shackleton Post Office.
67 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Shackleton Post Office Days per year at Shackleton Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1963. 051015201916: 81917: 151918: 121919: 91920: 111921: 111922: 111923: 101925: 91926: 151927: 71928: 51929: 121930: 151931: 61932: 141933: 61934: 101935: 61936: 91938: 71939: 121940: 31941: 61942: 101943: 141944: 71945: 91946: 91947: 111948: 71949: 61954: 51955: 111956: 51957: 61958: 101959: 71960: 51961: 81962: 61963: 171964: 81965: 81966: 121967: 71968: 81969: 51970: 61971: 81972: 31973: 141974: 91976: 71978: 101979: 41980: 21981: 81982: 51983: 71984: 101985: 11986: 71987: 71988: 72015: 72016: 121916192319311939194619571964197119801987
Days per year at Shackleton Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1963.
Days with 10 mm (0.39 in) or more of precipitation per year at Shackleton Post Office
YearDaysDecade average
1916811
19171511
19181211
1919911
19201110.1
19211110.1
19221110.1
19231010.1
1925910.1
19261510.1
1927710.1
1928510.1
19291210.1
1930159.4
193169.4
1932149.4
193369.4
1934109.4
193569.4
193699.4
193879.4
1939129.4
194038.2
194168.2
1942108.2
1943148.2
194478.2
194598.2
194698.2
1947118.2
194878.2
194968.2
195457.3
1955117.3
195657.3
195767.3
1958107.3
195977.3
196058.4
196188.4
196268.4
1963178.4
196488.4
196588.4
1966128.4
196778.4
196888.4
196958.4
197067.6
197187.6
197237.6
1973147.6
197497.6
197677.6
1978107.6
197947.6
198026
198186
198256
198376
1984106
198516
198676
198776
198876
201579.5
2016129.5
First to last qualifying date each year at Shackleton Post Office For each year, a bar from the first to the last day at Shackleton Post Office meeting 10 mm (0.39 in). 1916: 21 January 1916 to 5 October 19161917: 16 March 1917 to 10 October 19171918: 5 February 1918 to 17 October 19181919: 15 March 1919 to 4 November 19191920: 8 January 1920 to 22 November 19201921: 21 February 1921 to 13 December 19211922: 23 February 1922 to 16 September 19221923: 19 January 1923 to 16 December 19231925: 24 January 1925 to 25 September 19251926: 10 March 1926 to 22 October 19261927: 13 March 1927 to 11 September 19271928: 22 January 1928 to 19 August 19281929: 15 February 1929 to 15 November 19291930: 8 March 1930 to 27 August 19301931: 4 May 1931 to 27 December 19311932: 20 January 1932 to 22 October 19321933: 11 May 1933 to 25 August 19331934: 9 March 1934 to 4 November 19341935: 6 January 1935 to 19 October 19351936: 19 January 1936 to 28 December 19361938: 15 March 1938 to 22 July 19381939: 24 January 1939 to 26 October 19391940: 13 June 1940 to 3 December 19401941: 4 May 1941 to 13 December 19411942: 19 March 1942 to 1 December 19421943: 31 January 1943 to 15 September 19431944: 4 April 1944 to 28 August 19441945: 26 March 1945 to 8 August 19451946: 20 April 1946 to 11 August 19461947: 24 February 1947 to 19 November 19471948: 30 April 1948 to 28 September 19481949: 3 February 1949 to 15 August 19491954: 26 May 1954 to 19 August 19541955: 10 January 1955 to 14 October 19551956: 7 May 1956 to 28 November 19561957: 23 May 1957 to 23 August 19571958: 23 May 1958 to 22 December 19581959: 1 June 1959 to 2 December 19591960: 1 January 1960 to 23 July 19601961: 26 January 1961 to 19 July 19611962: 14 March 1962 to 24 December 19621963: 8 February 1963 to 18 September 19631964: 20 February 1964 to 25 August 19641965: 5 May 1965 to 21 October 19651966: 14 February 1966 to 24 October 19661967: 23 January 1967 to 27 July 19671968: 27 January 1968 to 10 September 19681969: 19 March 1969 to 27 September 19691970: 16 February 1970 to 18 June 19701971: 13 March 1971 to 11 November 19711972: 2 March 1972 to 27 July 19721973: 10 April 1973 to 5 November 19731974: 4 April 1974 to 18 November 19741976: 7 January 1976 to 6 September 19761978: 24 February 1978 to 19 December 19781979: 12 February 1979 to 23 June 19791980: 25 February 1980 to 16 October 19801981: 17 February 1981 to 8 December 19811982: 21 January 1982 to 21 September 19821983: 18 June 1983 to 30 December 19831984: 6 March 1984 to 15 September 19841985: 1 February 1985 to 1 February 19851986: 21 February 1986 to 25 June 19861987: 9 May 1987 to 24 December 19871988: 24 March 1988 to 3 December 19882015: 27 February 2015 to 7 November 20152016: 18 January 2016 to 12 December 201619161926193519451958196719781987JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Shackleton Post Office meeting 10 mm (0.39 in).
First to last qualifying date each year at Shackleton Post Office
YearFirst dateLast date
19161916-01-211916-10-05
19171917-03-161917-10-10
19181918-02-051918-10-17
19191919-03-151919-11-04
19201920-01-081920-11-22
19211921-02-211921-12-13
19221922-02-231922-09-16
19231923-01-191923-12-16
19251925-01-241925-09-25
19261926-03-101926-10-22
19271927-03-131927-09-11
19281928-01-221928-08-19
19291929-02-151929-11-15
19301930-03-081930-08-27
19311931-05-041931-12-27
19321932-01-201932-10-22
19331933-05-111933-08-25
19341934-03-091934-11-04
19351935-01-061935-10-19
19361936-01-191936-12-28
19381938-03-151938-07-22
19391939-01-241939-10-26
19401940-06-131940-12-03
19411941-05-041941-12-13
19421942-03-191942-12-01
19431943-01-311943-09-15
19441944-04-041944-08-28
19451945-03-261945-08-08
19461946-04-201946-08-11
19471947-02-241947-11-19
19481948-04-301948-09-28
19491949-02-031949-08-15
19541954-05-261954-08-19
19551955-01-101955-10-14
19561956-05-071956-11-28
19571957-05-231957-08-23
19581958-05-231958-12-22
19591959-06-011959-12-02
19601960-01-011960-07-23
19611961-01-261961-07-19
19621962-03-141962-12-24
19631963-02-081963-09-18
19641964-02-201964-08-25
19651965-05-051965-10-21
19661966-02-141966-10-24
19671967-01-231967-07-27
19681968-01-271968-09-10
19691969-03-191969-09-27
19701970-02-161970-06-18
19711971-03-131971-11-11
19721972-03-021972-07-27
19731973-04-101973-11-05
19741974-04-041974-11-18
19761976-01-071976-09-06
19781978-02-241978-12-19
19791979-02-121979-06-23
19801980-02-251980-10-16
19811981-02-171981-12-08
19821982-01-211982-09-21
19831983-06-181983-12-30
19841984-03-061984-09-15
19851985-02-011985-02-01
19861986-02-211986-06-25
19871987-05-091987-12-24
19881988-03-241988-12-03
20152015-02-272015-11-07
20162016-01-182016-12-12

Every Fixed Threshold

Fixed thresholds at Shackleton Post Office
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6717196312
25 mm (0.98 in): Days with 25 mm or more rain51619172
50 mm (1.97 in): Days with 50 mm or more rain10219551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1916.

Download the Data

  • Data for Shackleton Post Office 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 (2025-12-31).