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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Sonua Threshold Days by Year (IN004170800)

5 fixed thresholds counted per year at Sonua (IN004170800): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sonua Thresholds

  • Sonua: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1936 with 57.
  • Sonua: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1946 with 25.
  • Sonua: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1941 with 9.
  • Sonua: days with 100 mm (3.94 in) or more of precipitation in 21 years, most in 1941 with 3.
  • 5 fixed thresholds have at least one qualifying day at Sonua.
36 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sonua Days per year at Sonua with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1936. 02040601932: 361933: 461934: 391935: 341936: 571937: 471938: 411939: 451940: 461941: 421942: 421943: 561944: 471945: 351946: 511947: 461948: 401950: 471951: 361952: 431953: 341954: 301955: 361956: 531957: 321958: 351959: 451960: 381963: 451964: 401965: 371966: 321967: 431968: 391969: 381970: 47193219361940194419481953195719631967
Days per year at Sonua with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 57 in 1936.
Days with 10 mm (0.39 in) or more of precipitation per year at Sonua
YearDaysDecade average
19323643.1
19334643.1
19343943.1
19353443.1
19365743.1
19374743.1
19384143.1
19394543.1
19404645
19414245
19424245
19435645
19444745
19453545
19465145
19474645
19484045
19504739.1
19513639.1
19524339.1
19533439.1
19543039.1
19553639.1
19565339.1
19573239.1
19583539.1
19594539.1
19603839
19634539
19644039
19653739
19663239
19674339
19683939
19693839
19704747
First to last qualifying date each year at Sonua For each year, a bar from the first to the last day at Sonua meeting 10 mm (0.39 in). 1932: 18 February 1932 to 4 November 19321933: 16 February 1933 to 22 November 19331934: 22 April 1934 to 16 October 19341935: 4 February 1935 to 21 September 19351936: 31 January 1936 to 17 November 19361937: 13 February 1937 to 9 October 19371938: 10 January 1938 to 17 October 19381939: 23 February 1939 to 24 October 19391940: 7 February 1940 to 22 December 19401941: 29 January 1941 to 10 October 19411942: 21 February 1942 to 29 September 19421943: 12 January 1943 to 19 October 19431944: 30 January 1944 to 29 October 19441945: 6 January 1945 to 22 October 19451946: 26 February 1946 to 21 November 19461947: 22 January 1947 to 17 October 19471948: 6 January 1948 to 28 November 19481950: 19 May 1950 to 20 November 19501951: 26 March 1951 to 26 November 19511952: 17 May 1952 to 12 October 19521953: 19 June 1953 to 12 November 19531954: 6 June 1954 to 22 September 19541955: 21 January 1955 to 11 October 19551956: 2 February 1956 to 16 October 19561957: 27 February 1957 to 25 September 19571958: 30 January 1958 to 12 October 19581959: 31 March 1959 to 20 October 19591960: 1 March 1960 to 26 September 19601963: 12 May 1963 to 25 October 19631964: 12 May 1964 to 21 October 19641965: 30 March 1965 to 21 October 19651966: 3 January 1966 to 14 October 19661967: 8 January 1967 to 30 September 19671968: 19 February 1968 to 4 October 19681969: 14 January 1969 to 9 October 19691970: 10 February 1970 to 13 October 197019321937194219471953195819651970JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sonua meeting 10 mm (0.39 in).
First to last qualifying date each year at Sonua
YearFirst dateLast date
19321932-02-181932-11-04
19331933-02-161933-11-22
19341934-04-221934-10-16
19351935-02-041935-09-21
19361936-01-311936-11-17
19371937-02-131937-10-09
19381938-01-101938-10-17
19391939-02-231939-10-24
19401940-02-071940-12-22
19411941-01-291941-10-10
19421942-02-211942-09-29
19431943-01-121943-10-19
19441944-01-301944-10-29
19451945-01-061945-10-22
19461946-02-261946-11-21
19471947-01-221947-10-17
19481948-01-061948-11-28
19501950-05-191950-11-20
19511951-03-261951-11-26
19521952-05-171952-10-12
19531953-06-191953-11-12
19541954-06-061954-09-22
19551955-01-211955-10-11
19561956-02-021956-10-16
19571957-02-271957-09-25
19581958-01-301958-10-12
19591959-03-311959-10-20
19601960-03-011960-09-26
19631963-05-121963-10-25
19641964-05-121964-10-21
19651965-03-301965-10-21
19661966-01-031966-10-14
19671967-01-081967-09-30
19681968-02-191968-10-04
19691969-01-141969-10-09
19701970-02-101970-10-13

Every Fixed Threshold

Fixed thresholds at Sonua
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3657193647
25 mm (0.98 in): Days with 25 mm or more rain3625194620
50 mm (1.97 in): Days with 50 mm or more rain36919414
100 mm (3.94 in): Days with 100 mm or more rain21319412
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 1932.

Download the Data

  • Data for Sonua 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).