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Built 2026-10-19 (19 October 2026)

Forbesganj Threshold Days by Year (IN004110300)

5 fixed thresholds counted per year at Forbesganj (IN004110300): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Forbesganj Thresholds

  • Forbesganj: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1916 with 60.
  • Forbesganj: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1916 with 34.
  • Forbesganj: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 1916 with 17.
  • Forbesganj: days with 100 mm (3.94 in) or more of precipitation in 31 years, most in 1927 with 4.
  • 5 fixed thresholds have at least one qualifying day at Forbesganj.
40 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Forbesganj Days per year at Forbesganj with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 60 in 1916. 02040601903: 351904: 321905: 501906: 391907: 401908: 271909: 501910: 491911: 511915: 481916: 601917: 441919: 341920: 391921: 591922: 421923: 441924: 431925: 401926: 371927: 381928: 361929: 411930: 311931: 361932: 341933: 421934: 421935: 391936: 481937: 331938: 441939: 381940: 371941: 311942: 381945: 351948: 411951: 141952: 511903190719111919192319271931193519391945
Days per year at Forbesganj with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 60 in 1916.
Days with 10 mm (0.39 in) or more of precipitation per year at Forbesganj
YearDaysDecade average
19033539
19043239
19055039
19063939
19074039
19082739
19095039
19104947.7
19115147.7
19154847.7
19166047.7
19174447.7
19193447.7
19203941.9
19215941.9
19224241.9
19234441.9
19244341.9
19254041.9
19263741.9
19273841.9
19283641.9
19294141.9
19303138.7
19313638.7
19323438.7
19334238.7
19344238.7
19353938.7
19364838.7
19373338.7
19384438.7
19393838.7
19403736.4
19413136.4
19423836.4
19453536.4
19484136.4
19511432.5
19525132.5
First to last qualifying date each year at Forbesganj For each year, a bar from the first to the last day at Forbesganj meeting 10 mm (0.39 in). 1903: 25 May 1903 to 31 October 19031904: 6 April 1904 to 18 October 19041905: 16 February 1905 to 1 October 19051906: 23 February 1906 to 5 October 19061907: 12 March 1907 to 12 October 19071908: 2 February 1908 to 2 October 19081909: 12 April 1909 to 3 October 19091910: 5 May 1910 to 8 October 19101911: 27 January 1911 to 19 October 19111915: 6 February 1915 to 13 October 19151916: 18 February 1916 to 8 October 19161917: 21 April 1917 to 8 October 19171919: 31 January 1919 to 9 October 19191920: 3 February 1920 to 30 September 19201921: 21 January 1921 to 11 October 19211922: 7 May 1922 to 3 October 19221923: 16 February 1923 to 22 October 19231924: 12 June 1924 to 8 November 19241925: 17 April 1925 to 20 September 19251926: 10 January 1926 to 28 September 19261927: 13 January 1927 to 25 October 19271928: 25 January 1928 to 18 October 19281929: 28 January 1929 to 21 December 19291930: 15 January 1930 to 24 November 19301931: 5 March 1931 to 17 October 19311932: 23 April 1932 to 24 December 19321933: 12 April 1933 to 22 October 19331934: 17 February 1934 to 18 October 19341935: 17 May 1935 to 22 September 19351936: 3 April 1936 to 7 October 19361937: 19 April 1937 to 7 October 19371938: 25 April 1938 to 21 September 19381939: 21 February 1939 to 8 October 19391940: 11 February 1940 to 25 September 19401941: 5 May 1941 to 21 September 19411942: 22 February 1942 to 30 September 19421945: 1 February 1945 to 23 October 19451948: 29 April 1948 to 28 November 19481951: 15 August 1951 to 27 November 19511952: 25 March 1952 to 14 September 195219031908191619221927193219371942JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Forbesganj meeting 10 mm (0.39 in).
First to last qualifying date each year at Forbesganj
YearFirst dateLast date
19031903-05-251903-10-31
19041904-04-061904-10-18
19051905-02-161905-10-01
19061906-02-231906-10-05
19071907-03-121907-10-12
19081908-02-021908-10-02
19091909-04-121909-10-03
19101910-05-051910-10-08
19111911-01-271911-10-19
19151915-02-061915-10-13
19161916-02-181916-10-08
19171917-04-211917-10-08
19191919-01-311919-10-09
19201920-02-031920-09-30
19211921-01-211921-10-11
19221922-05-071922-10-03
19231923-02-161923-10-22
19241924-06-121924-11-08
19251925-04-171925-09-20
19261926-01-101926-09-28
19271927-01-131927-10-25
19281928-01-251928-10-18
19291929-01-281929-12-21
19301930-01-151930-11-24
19311931-03-051931-10-17
19321932-04-231932-12-24
19331933-04-121933-10-22
19341934-02-171934-10-18
19351935-05-171935-09-22
19361936-04-031936-10-07
19371937-04-191937-10-07
19381938-04-251938-09-21
19391939-02-211939-10-08
19401940-02-111940-09-25
19411941-05-051941-09-21
19421942-02-221942-09-30
19451945-02-011945-10-23
19481948-04-291948-11-28
19511951-08-151951-11-27
19521952-03-251952-09-14

Every Fixed Threshold

Fixed thresholds at Forbesganj
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4060191651
25 mm (0.98 in): Days with 25 mm or more rain4034191628
50 mm (1.97 in): Days with 50 mm or more rain391719168
100 mm (3.94 in): Days with 100 mm or more rain31419271
200 mm (7.87 in): Days with 200 mm or more rain4119201

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1903.

Download the Data

  • Data for Forbesganj 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).