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Built 2026-10-19 (19 October 2026)

Siwana Threshold Days by Year (IN019040700)

4 fixed thresholds counted per year at Siwana (IN019040700): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Siwana Thresholds

  • Siwana: days with 10 mm (0.39 in) or more of precipitation in 68 years, most in 1926 with 24.
  • Siwana: days with 25 mm (0.98 in) or more of precipitation in 65 years, most in 1926 with 12.
  • Siwana: days with 50 mm (1.97 in) or more of precipitation in 54 years, most in 1931 with 6.
  • Siwana: days with 100 mm (3.94 in) or more of precipitation in 17 years, most in 1961 with 3.
  • 4 fixed thresholds have at least one qualifying day at Siwana.
68 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Siwana Days per year at Siwana with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1926. 01020301901: 31902: 41903: 101904: 31905: 11906: 81907: 151908: 171909: 121910: 121911: 61912: 111913: 81914: 61915: 61916: 131917: 181918: 11919: 91920: 91921: 81922: 131923: 81924: 101925: 31926: 241927: 111928: 81929: 111930: 61931: 171932: 111933: 101934: 121935: 121936: 51937: 101938: 101939: 81940: 71941: 81942: 51943: 71944: 171945: 101946: 61947: 81948: 91949: 91951: 81952: 81953: 61954: 51955: 151957: 81958: 101959: 121960: 91961: 221962: 91963: 101964: 101965: 101966: 81967: 121968: 41969: 21970: 131901190819151922192919361943195119591966
Days per year at Siwana with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1926.
Days with 10 mm (0.39 in) or more of precipitation per year at Siwana
YearDaysDecade average
190138.1
190248.1
1903108.1
190438.1
190518.1
190688.1
1907158.1
1908178.1
1909128.1
1910129
191169
1912119
191389
191469
191569
1916139
1917189
191819
191999
1920910.5
1921810.5
19221310.5
1923810.5
19241010.5
1925310.5
19262410.5
19271110.5
1928810.5
19291110.5
1930610.1
19311710.1
19321110.1
19331010.1
19341210.1
19351210.1
1936510.1
19371010.1
19381010.1
1939810.1
194078.6
194188.6
194258.6
194378.6
1944178.6
1945108.6
194668.6
194788.6
194898.6
194998.6
195189
195289
195369
195459
1955159
195789
1958109
1959129
196099.6
1961229.6
196299.6
1963109.6
1964109.6
1965109.6
196689.6
1967129.6
196849.6
196929.6
19701313
First to last qualifying date each year at Siwana For each year, a bar from the first to the last day at Siwana meeting 10 mm (0.39 in). 1901: 30 July 1901 to 17 October 19011902: 23 August 1902 to 31 August 19021903: 15 May 1903 to 9 September 19031904: 15 May 1904 to 5 July 19041905: 10 September 1905 to 10 September 19051906: 21 February 1906 to 7 September 19061907: 4 February 1907 to 20 August 19071908: 18 June 1908 to 1 September 19081909: 20 April 1909 to 7 September 19091910: 16 June 1910 to 28 August 19101911: 11 March 1911 to 12 September 19111912: 11 June 1912 to 31 August 19121913: 18 May 1913 to 24 August 19131914: 18 June 1914 to 8 November 19141915: 3 February 1915 to 5 August 19151916: 12 July 1916 to 3 October 19161917: 28 May 1917 to 15 September 19171918: 20 August 1918 to 20 August 19181919: 3 July 1919 to 28 August 19191920: 22 May 1920 to 4 August 19201921: 17 July 1921 to 22 September 19211922: 3 June 1922 to 19 September 19221923: 8 July 1923 to 16 August 19231924: 25 July 1924 to 15 September 19241925: 15 June 1925 to 14 July 19251926: 29 January 1926 to 17 September 19261927: 21 February 1927 to 20 December 19271928: 5 July 1928 to 26 October 19281929: 20 June 1929 to 28 August 19291930: 16 June 1930 to 9 August 19301931: 14 June 1931 to 31 August 19311932: 30 March 1932 to 7 September 19321933: 13 April 1933 to 27 August 19331934: 25 June 1934 to 8 September 19341935: 29 January 1935 to 31 October 19351936: 25 June 1936 to 22 November 19361937: 1 July 1937 to 18 December 19371938: 31 May 1938 to 27 August 19381939: 15 February 1939 to 1 September 19391940: 26 January 1940 to 26 August 19401941: 4 July 1941 to 15 August 19411942: 19 February 1942 to 5 September 19421943: 14 June 1943 to 31 December 19431944: 21 March 1944 to 25 September 19441945: 8 January 1945 to 21 August 19451946: 22 July 1946 to 23 August 19461947: 10 August 1947 to 25 September 19471948: 19 January 1948 to 25 September 19481949: 2 June 1949 to 22 September 19491951: 31 May 1951 to 10 August 19511952: 8 July 1952 to 7 August 19521953: 20 June 1953 to 27 September 19531954: 8 July 1954 to 10 September 19541955: 18 June 1955 to 24 September 19551957: 19 May 1957 to 25 August 19571958: 30 June 1958 to 1 October 19581959: 3 June 1959 to 10 September 19591960: 15 June 1960 to 19 August 19601961: 1 February 1961 to 30 September 19611962: 7 July 1962 to 20 September 19621963: 30 July 1963 to 26 November 19631964: 1 June 1964 to 21 September 19641965: 4 July 1965 to 5 September 19651966: 21 June 1966 to 8 September 19661967: 22 March 1967 to 17 December 19671968: 28 May 1968 to 12 July 19681969: 16 July 1969 to 28 August 19691970: 1 June 1970 to 24 September 197019011910191919281937194619571966JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Siwana meeting 10 mm (0.39 in).
First to last qualifying date each year at Siwana
YearFirst dateLast date
19011901-07-301901-10-17
19021902-08-231902-08-31
19031903-05-151903-09-09
19041904-05-151904-07-05
19051905-09-101905-09-10
19061906-02-211906-09-07
19071907-02-041907-08-20
19081908-06-181908-09-01
19091909-04-201909-09-07
19101910-06-161910-08-28
19111911-03-111911-09-12
19121912-06-111912-08-31
19131913-05-181913-08-24
19141914-06-181914-11-08
19151915-02-031915-08-05
19161916-07-121916-10-03
19171917-05-281917-09-15
19181918-08-201918-08-20
19191919-07-031919-08-28
19201920-05-221920-08-04
19211921-07-171921-09-22
19221922-06-031922-09-19
19231923-07-081923-08-16
19241924-07-251924-09-15
19251925-06-151925-07-14
19261926-01-291926-09-17
19271927-02-211927-12-20
19281928-07-051928-10-26
19291929-06-201929-08-28
19301930-06-161930-08-09
19311931-06-141931-08-31
19321932-03-301932-09-07
19331933-04-131933-08-27
19341934-06-251934-09-08
19351935-01-291935-10-31
19361936-06-251936-11-22
19371937-07-011937-12-18
19381938-05-311938-08-27
19391939-02-151939-09-01
19401940-01-261940-08-26
19411941-07-041941-08-15
19421942-02-191942-09-05
19431943-06-141943-12-31
19441944-03-211944-09-25
19451945-01-081945-08-21
19461946-07-221946-08-23
19471947-08-101947-09-25
19481948-01-191948-09-25
19491949-06-021949-09-22
19511951-05-311951-08-10
19521952-07-081952-08-07
19531953-06-201953-09-27
19541954-07-081954-09-10
19551955-06-181955-09-24
19571957-05-191957-08-25
19581958-06-301958-10-01
19591959-06-031959-09-10
19601960-06-151960-08-19
19611961-02-011961-09-30
19621962-07-071962-09-20
19631963-07-301963-11-26
19641964-06-011964-09-21
19651965-07-041965-09-05
19661966-06-211966-09-08
19671967-03-221967-12-17
19681968-05-281968-07-12
19691969-07-161969-08-28
19701970-06-011970-09-24

Every Fixed Threshold

Fixed thresholds at Siwana
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6824192613
25 mm (0.98 in): Days with 25 mm or more rain651219269
50 mm (1.97 in): Days with 50 mm or more rain54619314
100 mm (3.94 in): Days with 100 mm or more rain17319611

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1901.

Download the Data

  • Data for Siwana 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).