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Data as of 2026-10-12
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Built 2026-10-17 (17 October 2026)

Sherlock Threshold Days by Year

5 fixed thresholds counted per year at Sherlock (ASN00004086): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sherlock Thresholds

  • Sherlock: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1973 with 14.
  • Sherlock: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1973 with 10.
  • Sherlock: days with 50 mm (1.97 in) or more of precipitation in 28 years, most in 1961 with 4.
  • Sherlock: days with 100 mm (3.94 in) or more of precipitation in 13 years, most in 1956 with 2.
  • 5 fixed thresholds have at least one qualifying day at Sherlock.
38 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sherlock Days per year at Sherlock with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 14 in 1973. 0510151956: 121957: 101958: 101959: 41960: 71961: 91962: 81963: 121964: 31965: 91966: 111967: 81968: 101969: 41970: 51971: 101972: 51973: 141974: 51975: 101977: 71978: 131979: 71981: 121983: 31993: 71999: 132001: 92002: 32003: 22018: 72019: 32020: 82022: 62023: 52024: 72025: 52026: 51956196019641968197219771983200220202025
Days per year at Sherlock with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 14 in 1973.
Days with 10 mm (0.39 in) or more of precipitation per year at Sherlock
YearDaysDecade average
1956129
1957109
1958109
195949
196078.1
196198.1
196288.1
1963128.1
196438.1
196598.1
1966118.1
196788.1
1968108.1
196948.1
197058.4
1971108.4
197258.4
1973148.4
197458.4
1975108.4
197778.4
1978138.4
197978.4
1981127.5
198337.5
1993710
19991310
200194.7
200234.7
200324.7
201875
201935
202086
202266
202356
202476
202556
202656
First to last qualifying date each year at Sherlock For each year, a bar from the first to the last day at Sherlock meeting 10 mm (0.39 in). 1956: 17 January 1956 to 23 August 19561957: 17 January 1957 to 20 December 19571958: 20 January 1958 to 31 July 19581959: 16 May 1959 to 28 July 19591960: 30 January 1960 to 25 May 19601961: 23 January 1961 to 1 March 19611962: 5 January 1962 to 3 June 19621963: 8 January 1963 to 2 June 19631964: 26 April 1964 to 7 November 19641965: 3 March 1965 to 10 August 19651966: 1 January 1966 to 9 May 19661967: 19 January 1967 to 23 May 19671968: 1 February 1968 to 9 July 19681969: 17 February 1969 to 14 June 19691970: 1 February 1970 to 31 May 19701971: 3 February 1971 to 31 July 19711972: 14 February 1972 to 20 December 19721973: 21 January 1973 to 31 December 19731974: 24 January 1974 to 23 December 19741975: 19 February 1975 to 9 December 19751977: 14 January 1977 to 16 December 19771978: 14 January 1978 to 15 August 19781979: 19 February 1979 to 30 October 19791981: 16 January 1981 to 7 December 19811983: 9 January 1983 to 10 March 19831993: 26 January 1993 to 14 August 19931999: 5 February 1999 to 29 May 19992001: 18 January 2001 to 28 February 20012002: 25 March 2002 to 5 December 20022003: 25 January 2003 to 8 April 20032018: 12 January 2018 to 7 June 20182019: 24 March 2019 to 26 March 20192020: 5 January 2020 to 11 December 20202022: 17 February 2022 to 4 September 20222023: 25 February 2023 to 20 June 20232024: 5 March 2024 to 21 December 20242025: 20 January 2025 to 24 August 20252026: 8 February 2026 to 27 March 202619561961196619711977199320182024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sherlock meeting 10 mm (0.39 in).
First to last qualifying date each year at Sherlock
YearFirst dateLast date
19561956-01-171956-08-23
19571957-01-171957-12-20
19581958-01-201958-07-31
19591959-05-161959-07-28
19601960-01-301960-05-25
19611961-01-231961-03-01
19621962-01-051962-06-03
19631963-01-081963-06-02
19641964-04-261964-11-07
19651965-03-031965-08-10
19661966-01-011966-05-09
19671967-01-191967-05-23
19681968-02-011968-07-09
19691969-02-171969-06-14
19701970-02-011970-05-31
19711971-02-031971-07-31
19721972-02-141972-12-20
19731973-01-211973-12-31
19741974-01-241974-12-23
19751975-02-191975-12-09
19771977-01-141977-12-16
19781978-01-141978-08-15
19791979-02-191979-10-30
19811981-01-161981-12-07
19831983-01-091983-03-10
19931993-01-261993-08-14
19991999-02-051999-05-29
20012001-01-182001-02-28
20022002-03-252002-12-05
20032003-01-252003-04-08
20182018-01-122018-06-07
20192019-03-242019-03-26
20202020-01-052020-12-11
20222022-02-172022-09-04
20232023-02-252023-06-20
20242024-03-052024-12-21
20252025-01-202025-08-24
20262026-02-082026-03-27

Every Fixed Threshold

Fixed thresholds at Sherlock
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain381419735
25 mm (0.98 in): Days with 25 mm or more rain361019732
50 mm (1.97 in): Days with 50 mm or more rain28419612
100 mm (3.94 in): Days with 100 mm or more rain13219561
200 mm (7.87 in): Days with 200 mm or more rain5219562

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1956.

Download the Data

  • Data for Sherlock 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-12).