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Built 2026-10-17 (17 October 2026)

De Grey Threshold Days by Year

5 fixed thresholds counted per year at De Grey (ASN00004012): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for De Grey Thresholds

  • De Grey: days with 10 mm (0.39 in) or more of precipitation in 73 years, most in 1934 with 19.
  • De Grey: days with 25 mm (0.98 in) or more of precipitation in 70 years, most in 1921 with 9.
  • De Grey: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 2025 with 6.
  • De Grey: days with 100 mm (3.94 in) or more of precipitation in 21 years, most in 2025 with 4.
  • 5 fixed thresholds have at least one qualifying day at De Grey.
73 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at De Grey Days per year at De Grey with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1934. 051015201907: 101909: 71910: 91911: 41912: 71913: 91914: 61915: 121916: 81917: 61918: 41919: 31920: 81921: 141922: 61923: 101925: 91926: 71927: 41928: 51930: 91931: 61932: 51933: 51934: 191935: 21936: 21937: 101938: 41939: 141940: 91941: 71942: 161943: 141944: 21945: 61946: 91947: 81948: 71949: 61950: 81951: 71952: 41953: 81954: 131958: 81959: 41960: 61961: 121962: 31963: 191964: 31965: 71966: 131967: 91968: 141969: 21970: 41978: 141979: 91980: 61981: 151982: 131984: 71987: 81988: 131998: 62019: 82020: 132021: 62023: 112025: 82026: 61907191619251934194219501961196919872026
Days per year at De Grey with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1934.
Days with 10 mm (0.39 in) or more of precipitation per year at De Grey
YearDaysDecade average
1907108.5
190978.5
191096.8
191146.8
191276.8
191396.8
191466.8
1915126.8
191686.8
191766.8
191846.8
191936.8
192087.9
1921147.9
192267.9
1923107.9
192597.9
192677.9
192747.9
192857.9
193097.6
193167.6
193257.6
193357.6
1934197.6
193527.6
193627.6
1937107.6
193847.6
1939147.6
194098.4
194178.4
1942168.4
1943148.4
194428.4
194568.4
194698.4
194788.4
194878.4
194968.4
195087.4
195177.4
195247.4
195387.4
1954137.4
195887.4
195947.4
196068.8
1961128.8
196238.8
1963198.8
196438.8
196578.8
1966138.8
196798.8
1968148.8
196928.8
197049
1978149
197999
1980610.3
19811510.3
19821310.3
1984710.3
1987810.3
19881310.3
199866
201988
2020138.8
202168.8
2023118.8
202588.8
202668.8
First to last qualifying date each year at De Grey For each year, a bar from the first to the last day at De Grey meeting 10 mm (0.39 in). 1907: 11 January 1907 to 8 July 19071909: 6 January 1909 to 25 November 19091910: 10 January 1910 to 23 November 19101911: 6 February 1911 to 12 June 19111912: 9 February 1912 to 22 March 19121913: 5 January 1913 to 14 August 19131914: 1 January 1914 to 11 December 19141915: 6 January 1915 to 16 June 19151916: 10 February 1916 to 25 June 19161917: 15 March 1917 to 16 July 19171918: 18 January 1918 to 3 February 19181919: 3 February 1919 to 21 August 19191920: 18 January 1920 to 4 December 19201921: 5 February 1921 to 29 July 19211922: 16 February 1922 to 12 May 19221923: 6 January 1923 to 6 July 19231925: 21 January 1925 to 3 March 19251926: 6 January 1926 to 19 May 19261927: 22 February 1927 to 26 February 19271928: 12 February 1928 to 30 December 19281930: 18 February 1930 to 28 December 19301931: 28 January 1931 to 13 October 19311932: 16 January 1932 to 20 May 19321933: 7 April 1933 to 25 August 19331934: 28 January 1934 to 7 April 19341935: 10 March 1935 to 19 March 19351936: 9 January 1936 to 10 January 19361937: 4 January 1937 to 22 December 19371938: 18 January 1938 to 11 December 19381939: 8 January 1939 to 13 August 19391940: 2 January 1940 to 21 December 19401941: 2 March 1941 to 4 December 19411942: 4 January 1942 to 26 November 19421943: 29 January 1943 to 11 November 19431944: 11 March 1944 to 8 April 19441945: 1 February 1945 to 31 December 19451946: 30 January 1946 to 11 July 19461947: 6 February 1947 to 30 December 19471948: 7 February 1948 to 23 April 19481949: 28 February 1949 to 29 May 19491950: 30 January 1950 to 3 June 19501951: 16 February 1951 to 9 June 19511952: 22 January 1952 to 16 July 19521953: 21 March 1953 to 21 August 19531954: 27 January 1954 to 31 December 19541958: 20 January 1958 to 1 August 19581959: 8 January 1959 to 28 July 19591960: 30 January 1960 to 14 February 19601961: 24 January 1961 to 2 March 19611962: 20 January 1962 to 11 February 19621963: 8 January 1963 to 2 June 19631964: 27 March 1964 to 29 May 19641965: 16 January 1965 to 28 June 19651966: 6 February 1966 to 9 October 19661967: 18 January 1967 to 19 April 19671968: 23 January 1968 to 22 June 19681969: 6 February 1969 to 17 February 19691970: 1 February 1970 to 30 May 19701978: 24 January 1978 to 3 August 19781979: 24 February 1979 to 7 June 19791980: 1 February 1980 to 26 July 19801981: 15 January 1981 to 6 July 19811982: 17 January 1982 to 15 September 19821984: 5 January 1984 to 9 September 19841987: 19 January 1987 to 27 February 19871988: 26 January 1988 to 27 December 19881998: 16 May 1998 to 15 December 19982019: 25 January 2019 to 26 March 20192020: 8 January 2020 to 30 December 20202021: 9 January 2021 to 22 June 20212023: 18 January 2023 to 21 June 20232025: 1 January 2025 to 15 February 20252026: 7 February 2026 to 22 May 202619071918193019401950196319802023JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at De Grey meeting 10 mm (0.39 in).
First to last qualifying date each year at De Grey
YearFirst dateLast date
19071907-01-111907-07-08
19091909-01-061909-11-25
19101910-01-101910-11-23
19111911-02-061911-06-12
19121912-02-091912-03-22
19131913-01-051913-08-14
19141914-01-011914-12-11
19151915-01-061915-06-16
19161916-02-101916-06-25
19171917-03-151917-07-16
19181918-01-181918-02-03
19191919-02-031919-08-21
19201920-01-181920-12-04
19211921-02-051921-07-29
19221922-02-161922-05-12
19231923-01-061923-07-06
19251925-01-211925-03-03
19261926-01-061926-05-19
19271927-02-221927-02-26
19281928-02-121928-12-30
19301930-02-181930-12-28
19311931-01-281931-10-13
19321932-01-161932-05-20
19331933-04-071933-08-25
19341934-01-281934-04-07
19351935-03-101935-03-19
19361936-01-091936-01-10
19371937-01-041937-12-22
19381938-01-181938-12-11
19391939-01-081939-08-13
19401940-01-021940-12-21
19411941-03-021941-12-04
19421942-01-041942-11-26
19431943-01-291943-11-11
19441944-03-111944-04-08
19451945-02-011945-12-31
19461946-01-301946-07-11
19471947-02-061947-12-30
19481948-02-071948-04-23
19491949-02-281949-05-29
19501950-01-301950-06-03
19511951-02-161951-06-09
19521952-01-221952-07-16
19531953-03-211953-08-21
19541954-01-271954-12-31
19581958-01-201958-08-01
19591959-01-081959-07-28
19601960-01-301960-02-14
19611961-01-241961-03-02
19621962-01-201962-02-11
19631963-01-081963-06-02
19641964-03-271964-05-29
19651965-01-161965-06-28
19661966-02-061966-10-09
19671967-01-181967-04-19
19681968-01-231968-06-22
19691969-02-061969-02-17
19701970-02-011970-05-30
19781978-01-241978-08-03
19791979-02-241979-06-07
19801980-02-011980-07-26
19811981-01-151981-07-06
19821982-01-171982-09-15
19841984-01-051984-09-09
19871987-01-191987-02-27
19881988-01-261988-12-27
19981998-05-161998-12-15
20192019-01-252019-03-26
20202020-01-082020-12-30
20212021-01-092021-06-22
20232023-01-182023-06-21
20252025-01-012025-02-15
20262026-02-072026-05-22

Every Fixed Threshold

Fixed thresholds at De Grey
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain731919346
25 mm (0.98 in): Days with 25 mm or more rain70919213
50 mm (1.97 in): Days with 50 mm or more rain47620251
100 mm (3.94 in): Days with 100 mm or more rain21420254
200 mm (7.87 in): Days with 200 mm or more rain4119411

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 De Grey 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).