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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

South Johnstone Post Office Threshold Days by Year

5 fixed thresholds counted per year at South Johnstone Post Office (ASN00032038): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for South Johnstone Post Office Thresholds

  • South Johnstone Post Office: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1959 with 91.
  • South Johnstone Post Office: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1959 with 58.
  • South Johnstone Post Office: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1945 with 31.
  • South Johnstone Post Office: days with 100 mm (3.94 in) or more of precipitation in 29 years, most in 1945 with 16.
  • 5 fixed thresholds have at least one qualifying day at South Johnstone Post Office.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at South Johnstone Post Office Days per year at South Johnstone Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 91 in 1959. 02550751001935: 591936: 851937: 551938: 661939: 651940: 651942: 561943: 451944: 561945: 781946: 481947: 641948: 591949: 501950: 751951: 451952: 421953: 631954: 681955: 731956: 651957: 801958: 561959: 911960: 521961: 571967: 601968: 391972: 601974: 671935193819421945194819511954195719601968
Days per year at South Johnstone Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 91 in 1959.
Days with 10 mm (0.39 in) or more of precipitation per year at South Johnstone Post Office
YearDaysDecade average
19355966
19368566
19375566
19386666
19396566
19406557.9
19425657.9
19434557.9
19445657.9
19457857.9
19464857.9
19476457.9
19485957.9
19495057.9
19507565.8
19514565.8
19524265.8
19536365.8
19546865.8
19557365.8
19566565.8
19578065.8
19585665.8
19599165.8
19605252
19615752
19676052
19683952
19726063.5
19746763.5
First to last qualifying date each year at South Johnstone Post Office For each year, a bar from the first to the last day at South Johnstone Post Office meeting 10 mm (0.39 in). 1935: 21 January 1935 to 31 December 19351936: 1 January 1936 to 31 December 19361937: 2 January 1937 to 29 December 19371938: 13 January 1938 to 21 December 19381939: 6 January 1939 to 29 November 19391940: 1 January 1940 to 13 December 19401942: 20 January 1942 to 19 December 19421943: 2 January 1943 to 22 December 19431944: 9 January 1944 to 25 December 19441945: 9 January 1945 to 31 December 19451946: 7 January 1946 to 31 December 19461947: 3 February 1947 to 30 December 19471948: 5 January 1948 to 27 December 19481949: 3 January 1949 to 5 December 19491950: 6 January 1950 to 23 December 19501951: 6 January 1951 to 31 December 19511952: 1 January 1952 to 29 December 19521953: 10 January 1953 to 16 December 19531954: 4 January 1954 to 27 December 19541955: 1 January 1955 to 8 December 19551956: 10 January 1956 to 31 December 19561957: 1 January 1957 to 23 December 19571958: 2 January 1958 to 17 December 19581959: 2 January 1959 to 29 December 19591960: 4 January 1960 to 31 December 19601961: 2 January 1961 to 26 December 19611967: 7 January 1967 to 18 December 19671968: 6 January 1968 to 5 December 19681972: 4 January 1972 to 3 December 19721974: 2 January 1974 to 31 December 197419351939194419481952195619601972JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at South Johnstone Post Office meeting 10 mm (0.39 in).
First to last qualifying date each year at South Johnstone Post Office
YearFirst dateLast date
19351935-01-211935-12-31
19361936-01-011936-12-31
19371937-01-021937-12-29
19381938-01-131938-12-21
19391939-01-061939-11-29
19401940-01-011940-12-13
19421942-01-201942-12-19
19431943-01-021943-12-22
19441944-01-091944-12-25
19451945-01-091945-12-31
19461946-01-071946-12-31
19471947-02-031947-12-30
19481948-01-051948-12-27
19491949-01-031949-12-05
19501950-01-061950-12-23
19511951-01-061951-12-31
19521952-01-011952-12-29
19531953-01-101953-12-16
19541954-01-041954-12-27
19551955-01-011955-12-08
19561956-01-101956-12-31
19571957-01-011957-12-23
19581958-01-021958-12-17
19591959-01-021959-12-29
19601960-01-041960-12-31
19611961-01-021961-12-26
19671967-01-071967-12-18
19681968-01-061968-12-05
19721972-01-041972-12-03
19741974-01-021974-12-31

Every Fixed Threshold

Fixed thresholds at South Johnstone Post Office
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3091195967
25 mm (0.98 in): Days with 25 mm or more rain3058195938
50 mm (1.97 in): Days with 50 mm or more rain3031194512
100 mm (3.94 in): Days with 100 mm or more rain291619453
200 mm (7.87 in): Days with 200 mm or more rain19319672

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1935.

Download the Data

  • Data for South Johnstone 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).