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Built 2026-10-19 (19 October 2026)

Shackleton Cda Epf Threshold Days by Year (CA004027400)

5 fixed thresholds counted per year at Shackleton Cda Epf (CA004027400): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Shackleton Cda Epf Thresholds

  • Shackleton Cda Epf: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1974 with 18.
  • Shackleton Cda Epf: days with 10 cm (3.9 in) or more of snowfall in 27 years, most in 1967 with 8.
  • Shackleton Cda Epf: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1966 with 5.
  • Shackleton Cda Epf: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1955 with 1.
  • 5 fixed thresholds have at least one qualifying day at Shackleton Cda Epf.
28 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Shackleton Cda Epf Days per year at Shackleton Cda Epf with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1974. 051015201952: 121955: 101956: 91958: 71960: 71961: 81962: 121963: 71964: 111965: 91966: 101967: 111968: 81969: 131970: 131971: 61972: 81973: 81974: 181975: 131976: 91977: 81978: 111979: 81980: 61981: 81982: 121983: 81952195819621965196819711974197719801983
Days per year at Shackleton Cda Epf with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 18 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Shackleton Cda Epf
YearDaysDecade average
1952129.5
1955109.5
195699.5
195879.5
196079.6
196189.6
1962129.6
196379.6
1964119.6
196599.6
1966109.6
1967119.6
196889.6
1969139.6
19701310.2
1971610.2
1972810.2
1973810.2
19741810.2
19751310.2
1976910.2
1977810.2
19781110.2
1979810.2
198068.5
198188.5
1982128.5
198388.5
First to last qualifying date each year at Shackleton Cda Epf For each year, a bar from the first to the last day at Shackleton Cda Epf meeting 10 mm (0.39 in). 1952: 24 January 1952 to 30 August 19521955: 14 April 1955 to 22 September 19551956: 23 February 1956 to 27 October 19561958: 1 June 1958 to 14 November 19581960: 12 January 1960 to 18 December 19601961: 22 February 1961 to 17 December 19611962: 3 January 1962 to 7 September 19621963: 26 February 1963 to 1 August 19631964: 21 January 1964 to 22 December 19641965: 2 April 1965 to 3 September 19651966: 26 April 1966 to 16 November 19661967: 5 January 1967 to 17 December 19671968: 17 March 1968 to 21 September 19681969: 8 March 1969 to 24 October 19691970: 3 January 1970 to 10 September 19701971: 16 May 1971 to 25 December 19711972: 27 February 1972 to 27 September 19721973: 4 February 1973 to 11 December 19731974: 29 January 1974 to 22 December 19741975: 8 January 1975 to 30 December 19751976: 27 February 1976 to 4 August 19761977: 7 January 1977 to 16 December 19771978: 5 April 1978 to 12 November 19781979: 7 February 1979 to 19 October 19791980: 2 June 1980 to 21 October 19801981: 6 April 1981 to 10 October 19811982: 1 March 1982 to 28 September 19821983: 9 April 1983 to 12 August 19831952196019641968197219761980JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Shackleton Cda Epf meeting 10 mm (0.39 in).
First to last qualifying date each year at Shackleton Cda Epf
YearFirst dateLast date
19521952-01-241952-08-30
19551955-04-141955-09-22
19561956-02-231956-10-27
19581958-06-011958-11-14
19601960-01-121960-12-18
19611961-02-221961-12-17
19621962-01-031962-09-07
19631963-02-261963-08-01
19641964-01-211964-12-22
19651965-04-021965-09-03
19661966-04-261966-11-16
19671967-01-051967-12-17
19681968-03-171968-09-21
19691969-03-081969-10-24
19701970-01-031970-09-10
19711971-05-161971-12-25
19721972-02-271972-09-27
19731973-02-041973-12-11
19741974-01-291974-12-22
19751975-01-081975-12-30
19761976-02-271976-08-04
19771977-01-071977-12-16
19781978-04-051978-11-12
19791979-02-071979-10-19
19801980-06-021980-10-21
19811981-04-061981-10-10
19821982-03-011982-09-28
19831983-04-091983-08-12

Every Fixed Threshold

Fixed thresholds at Shackleton Cda Epf
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain281819748
25 mm (0.98 in): Days with 25 mm or more rain23519663
50 mm (1.97 in): Days with 50 mm or more rain3119551
10 cm (3.9 in): Days with 10 cm or more snowfall27819671
25 cm (9.8 in): Days with 25 cm or more snowfall2119661

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1952.

Download the Data

  • Data for Shackleton Cda Epf 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).