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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Akuna Threshold Days by Year

5 fixed thresholds counted per year at Akuna (ASN00041332): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Akuna Thresholds

  • Akuna: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1956 with 38.
  • Akuna: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1956 with 17.
  • Akuna: days with 50 mm (1.97 in) or more of precipitation in 32 years, most in 1928 with 5.
  • Akuna: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1927 with 1.
  • 5 fixed thresholds have at least one qualifying day at Akuna.
38 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Akuna Days per year at Akuna with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1956. 0102030401923: 131924: 351925: 331926: 211927: 341928: 311929: 271930: 271931: 331932: 231933: 271934: 251939: 271940: 241941: 141942: 271943: 301944: 221945: 271946: 221948: 251949: 191950: 361951: 221952: 231953: 201954: 311955: 301956: 381957: 141958: 291960: 181962: 351968: 221969: 331970: 291971: 271972: 221923192719311939194319481952195619621971
Days per year at Akuna with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 38 in 1956.
Days with 10 mm (0.39 in) or more of precipitation per year at Akuna
YearDaysDecade average
19231327.7
19243527.7
19253327.7
19262127.7
19273427.7
19283127.7
19292727.7
19302727
19313327
19322327
19332727
19342527
19392727
19402423.3
19411423.3
19422723.3
19433023.3
19442223.3
19452723.3
19462223.3
19482523.3
19491923.3
19503627
19512227
19522327
19532027
19543127
19553027
19563827
19571427
19582927
19601827
19623527
19682227
19693327
19702926
19712726
19722226
First to last qualifying date each year at Akuna For each year, a bar from the first to the last day at Akuna meeting 10 mm (0.39 in). 1923: 17 February 1923 to 27 December 19231924: 7 January 1924 to 17 December 19241925: 5 January 1925 to 31 December 19251926: 4 January 1926 to 29 December 19261927: 4 January 1927 to 28 December 19271928: 8 January 1928 to 31 December 19281929: 11 January 1929 to 31 December 19291930: 23 January 1930 to 18 December 19301931: 11 January 1931 to 10 December 19311932: 4 January 1932 to 22 December 19321933: 15 January 1933 to 28 December 19331934: 1 January 1934 to 27 December 19341939: 1 January 1939 to 26 December 19391940: 6 January 1940 to 21 December 19401941: 10 January 1941 to 29 November 19411942: 14 January 1942 to 31 December 19421943: 4 January 1943 to 31 December 19431944: 3 January 1944 to 27 December 19441945: 1 January 1945 to 19 December 19451946: 6 January 1946 to 15 December 19461948: 27 February 1948 to 31 December 19481949: 4 January 1949 to 16 December 19491950: 18 January 1950 to 20 December 19501951: 8 January 1951 to 20 December 19511952: 9 January 1952 to 31 December 19521953: 8 January 1953 to 9 December 19531954: 3 January 1954 to 15 December 19541955: 9 January 1955 to 27 December 19551956: 12 January 1956 to 30 December 19561957: 10 January 1957 to 17 December 19571958: 2 January 1958 to 29 December 19581960: 7 February 1960 to 16 December 19601962: 5 January 1962 to 30 December 19621968: 3 February 1968 to 5 December 19681969: 1 January 1969 to 31 December 19691970: 1 January 1970 to 30 December 19701971: 18 January 1971 to 28 December 19711972: 1 January 1972 to 26 December 197219231928193319421948195319581970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Akuna meeting 10 mm (0.39 in).
First to last qualifying date each year at Akuna
YearFirst dateLast date
19231923-02-171923-12-27
19241924-01-071924-12-17
19251925-01-051925-12-31
19261926-01-041926-12-29
19271927-01-041927-12-28
19281928-01-081928-12-31
19291929-01-111929-12-31
19301930-01-231930-12-18
19311931-01-111931-12-10
19321932-01-041932-12-22
19331933-01-151933-12-28
19341934-01-011934-12-27
19391939-01-011939-12-26
19401940-01-061940-12-21
19411941-01-101941-11-29
19421942-01-141942-12-31
19431943-01-041943-12-31
19441944-01-031944-12-27
19451945-01-011945-12-19
19461946-01-061946-12-15
19481948-02-271948-12-31
19491949-01-041949-12-16
19501950-01-181950-12-20
19511951-01-081951-12-20
19521952-01-091952-12-31
19531953-01-081953-12-09
19541954-01-031954-12-15
19551955-01-091955-12-27
19561956-01-121956-12-30
19571957-01-101957-12-17
19581958-01-021958-12-29
19601960-02-071960-12-16
19621962-01-051962-12-30
19681968-02-031968-12-05
19691969-01-011969-12-31
19701970-01-011970-12-30
19711971-01-181971-12-28
19721972-01-011972-12-26

Every Fixed Threshold

Fixed thresholds at Akuna
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3838195622
25 mm (0.98 in): Days with 25 mm or more rain381719569
50 mm (1.97 in): Days with 50 mm or more rain32519284
100 mm (3.94 in): Days with 100 mm or more rain6119271
200 mm (7.87 in): Days with 200 mm or more rain1119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1923.

Download the Data

  • Data for Akuna 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 (2025-12-31).