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Built 2026-10-19 (19 October 2026)

Greenough Threshold Days by Year (ASN00008058)

4 fixed thresholds counted per year at Greenough (ASN00008058): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Greenough Thresholds

  • Greenough: days with 10 mm (0.39 in) or more of precipitation in 64 years, most in 1963 with 30.
  • Greenough: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1945 with 7.
  • Greenough: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1934 with 2.
  • Greenough: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 1934 with 1.
  • 4 fixed thresholds have at least one qualifying day at Greenough.
64 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Greenough Days per year at Greenough with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1963. 01020301907: 181908: 171909: 211910: 181911: 91912: 101913: 161914: 81915: 141916: 161917: 241918: 131919: 131920: 141921: 191922: 71923: 161924: 171925: 171926: 151927: 141928: 141929: 171930: 171931: 141932: 181933: 151934: 161935: 131936: 131937: 121938: 101939: 241940: 101941: 181942: 111943: 141944: 111945: 161946: 191947: 171948: 61949: 111950: 161951: 181952: 51953: 171954: 91955: 201956: 131957: 171958: 241959: 131960: 131961: 141962: 171963: 301964: 191965: 221966: 121967: 141968: 201969: 61970: 171907191419211928193519421949195619631970
Days per year at Greenough with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 30 in 1963.
Days with 10 mm (0.39 in) or more of precipitation per year at Greenough
YearDaysDecade average
19071818.7
19081718.7
19092118.7
19101814.1
1911914.1
19121014.1
19131614.1
1914814.1
19151414.1
19161614.1
19172414.1
19181314.1
19191314.1
19201415
19211915
1922715
19231615
19241715
19251715
19261515
19271415
19281415
19291715
19301715.2
19311415.2
19321815.2
19331515.2
19341615.2
19351315.2
19361315.2
19371215.2
19381015.2
19392415.2
19401013.3
19411813.3
19421113.3
19431413.3
19441113.3
19451613.3
19461913.3
19471713.3
1948613.3
19491113.3
19501615.2
19511815.2
1952515.2
19531715.2
1954915.2
19552015.2
19561315.2
19571715.2
19582415.2
19591315.2
19601316.7
19611416.7
19621716.7
19633016.7
19641916.7
19652216.7
19661216.7
19671416.7
19682016.7
1969616.7
19701717
First to last qualifying date each year at Greenough For each year, a bar from the first to the last day at Greenough meeting 10 mm (0.39 in). 1907: 17 May 1907 to 23 September 19071908: 27 March 1908 to 9 November 19081909: 6 January 1909 to 23 October 19091910: 5 May 1910 to 15 August 19101911: 31 May 1911 to 12 September 19111912: 8 May 1912 to 29 August 19121913: 10 April 1913 to 3 October 19131914: 16 May 1914 to 13 November 19141915: 22 February 1915 to 28 August 19151916: 21 January 1916 to 5 October 19161917: 2 May 1917 to 1 October 19171918: 22 April 1918 to 13 September 19181919: 16 April 1919 to 2 September 19191920: 12 March 1920 to 12 September 19201921: 18 February 1921 to 17 September 19211922: 16 April 1922 to 25 August 19221923: 19 April 1923 to 1 September 19231924: 12 May 1924 to 3 November 19241925: 23 January 1925 to 26 December 19251926: 16 April 1926 to 7 November 19261927: 14 March 1927 to 19 September 19271928: 29 March 1928 to 22 August 19281929: 3 May 1929 to 14 November 19291930: 9 May 1930 to 18 October 19301931: 9 May 1931 to 6 October 19311932: 28 March 1932 to 22 October 19321933: 6 March 1933 to 30 August 19331934: 8 March 1934 to 23 August 19341935: 6 January 1935 to 3 September 19351936: 19 April 1936 to 2 August 19361937: 19 April 1937 to 27 August 19371938: 15 March 1938 to 29 December 19381939: 20 January 1939 to 10 November 19391940: 14 May 1940 to 12 October 19401941: 17 March 1941 to 20 September 19411942: 10 April 1942 to 16 July 19421943: 31 January 1943 to 20 September 19431944: 14 March 1944 to 28 August 19441945: 15 May 1945 to 11 November 19451946: 19 April 1946 to 14 September 19461947: 28 April 1947 to 25 October 19471948: 23 April 1948 to 30 July 19481949: 17 February 1949 to 14 November 19491950: 7 May 1950 to 10 October 19501951: 6 April 1951 to 4 August 19511952: 5 May 1952 to 7 August 19521953: 22 March 1953 to 7 August 19531954: 23 May 1954 to 29 October 19541955: 15 February 1955 to 28 September 19551956: 4 March 1956 to 12 October 19561957: 23 May 1957 to 23 August 19571958: 22 January 1958 to 28 September 19581959: 1 June 1959 to 6 October 19591960: 1 January 1960 to 12 September 19601961: 14 April 1961 to 5 August 19611962: 30 January 1962 to 20 October 19621963: 17 February 1963 to 31 October 19631964: 5 June 1964 to 5 October 19641965: 15 March 1965 to 13 September 19651966: 4 April 1966 to 10 October 19661967: 17 May 1967 to 2 September 19671968: 26 March 1968 to 10 September 19681969: 24 April 1969 to 3 November 19691970: 3 February 1970 to 21 September 197019071915192319311939194719551963JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Greenough meeting 10 mm (0.39 in).
First to last qualifying date each year at Greenough
YearFirst dateLast date
19071907-05-171907-09-23
19081908-03-271908-11-09
19091909-01-061909-10-23
19101910-05-051910-08-15
19111911-05-311911-09-12
19121912-05-081912-08-29
19131913-04-101913-10-03
19141914-05-161914-11-13
19151915-02-221915-08-28
19161916-01-211916-10-05
19171917-05-021917-10-01
19181918-04-221918-09-13
19191919-04-161919-09-02
19201920-03-121920-09-12
19211921-02-181921-09-17
19221922-04-161922-08-25
19231923-04-191923-09-01
19241924-05-121924-11-03
19251925-01-231925-12-26
19261926-04-161926-11-07
19271927-03-141927-09-19
19281928-03-291928-08-22
19291929-05-031929-11-14
19301930-05-091930-10-18
19311931-05-091931-10-06
19321932-03-281932-10-22
19331933-03-061933-08-30
19341934-03-081934-08-23
19351935-01-061935-09-03
19361936-04-191936-08-02
19371937-04-191937-08-27
19381938-03-151938-12-29
19391939-01-201939-11-10
19401940-05-141940-10-12
19411941-03-171941-09-20
19421942-04-101942-07-16
19431943-01-311943-09-20
19441944-03-141944-08-28
19451945-05-151945-11-11
19461946-04-191946-09-14
19471947-04-281947-10-25
19481948-04-231948-07-30
19491949-02-171949-11-14
19501950-05-071950-10-10
19511951-04-061951-08-04
19521952-05-051952-08-07
19531953-03-221953-08-07
19541954-05-231954-10-29
19551955-02-151955-09-28
19561956-03-041956-10-12
19571957-05-231957-08-23
19581958-01-221958-09-28
19591959-06-011959-10-06
19601960-01-011960-09-12
19611961-04-141961-08-05
19621962-01-301962-10-20
19631963-02-171963-10-31
19641964-06-051964-10-05
19651965-03-151965-09-13
19661966-04-041966-10-10
19671967-05-171967-09-02
19681968-03-261968-09-10
19691969-04-241969-11-03
19701970-02-031970-09-21

Every Fixed Threshold

Fixed thresholds at Greenough
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6430196317
25 mm (0.98 in): Days with 25 mm or more rain60719454
50 mm (1.97 in): Days with 50 mm or more rain24219341
100 mm (3.94 in): Days with 100 mm or more rain2119341

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

  • Data for Greenough 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).