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Built 2026-10-19 (19 October 2026)

Bakhtiarpur Threshold Days by Year (IN004101000)

5 fixed thresholds counted per year at Bakhtiarpur (IN004101000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bakhtiarpur Thresholds

  • Bakhtiarpur: days with 10 mm (0.39 in) or more of precipitation in 46 years, most in 1933 with 48.
  • Bakhtiarpur: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1929 with 29.
  • Bakhtiarpur: days with 50 mm (1.97 in) or more of precipitation in 44 years, most in 1933 with 15.
  • Bakhtiarpur: days with 100 mm (3.94 in) or more of precipitation in 23 years, most in 1939 with 4.
  • 5 fixed thresholds have at least one qualifying day at Bakhtiarpur.
46 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Bakhtiarpur Days per year at Bakhtiarpur with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1933. 02040601914: 191915: 311916: 361917: 351918: 371919: 371920: 111921: 311922: 401923: 211924: 351925: 381926: 301927: 221928: 221929: 461930: 171932: 301933: 481934: 351935: 331937: 351938: 351939: 321941: 251942: 371943: 281944: 361945: 311946: 131947: 301948: 21950: 31951: 151952: 201953: 301958: 151962: 291963: 391964: 271965: 211966: 181967: 291968: 371969: 351970: 301914191919241929193519421947195319651970
Days per year at Bakhtiarpur with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1933.
Days with 10 mm (0.39 in) or more of precipitation per year at Bakhtiarpur
YearDaysDecade average
19141932.5
19153132.5
19163632.5
19173532.5
19183732.5
19193732.5
19201129.6
19213129.6
19224029.6
19232129.6
19243529.6
19253829.6
19263029.6
19272229.6
19282229.6
19294629.6
19301733.1
19323033.1
19334833.1
19343533.1
19353333.1
19373533.1
19383533.1
19393233.1
19412525.3
19423725.3
19432825.3
19443625.3
19453125.3
19461325.3
19473025.3
1948225.3
1950316.6
19511516.6
19522016.6
19533016.6
19581516.6
19622929.4
19633929.4
19642729.4
19652129.4
19661829.4
19672929.4
19683729.4
19693529.4
19703030
First to last qualifying date each year at Bakhtiarpur For each year, a bar from the first to the last day at Bakhtiarpur meeting 10 mm (0.39 in). 1914: 10 May 1914 to 2 September 19141915: 28 January 1915 to 20 November 19151916: 18 February 1916 to 23 October 19161917: 6 February 1917 to 7 October 19171918: 4 May 1918 to 14 September 19181919: 30 January 1919 to 9 October 19191920: 3 February 1920 to 13 September 19201921: 21 June 1921 to 12 October 19211922: 29 January 1922 to 22 September 19221923: 23 February 1923 to 4 October 19231924: 4 July 1924 to 9 November 19241925: 16 January 1925 to 10 November 19251926: 6 January 1926 to 25 September 19261927: 13 January 1927 to 14 November 19271928: 27 January 1928 to 7 October 19281929: 1 January 1929 to 25 December 19291930: 14 January 1930 to 25 September 19301932: 19 April 1932 to 5 November 19321933: 13 February 1933 to 22 October 19331934: 19 April 1934 to 16 October 19341935: 3 January 1935 to 22 September 19351937: 11 February 1937 to 4 October 19371938: 25 January 1938 to 15 October 19381939: 17 February 1939 to 24 October 19391941: 8 June 1941 to 25 September 19411942: 20 February 1942 to 29 September 19421943: 12 January 1943 to 26 September 19431944: 25 January 1944 to 24 September 19441945: 6 January 1945 to 23 October 19451946: 7 May 1946 to 20 September 19461947: 19 May 1947 to 6 October 19471948: 18 February 1948 to 30 June 19481950: 1 July 1950 to 17 July 19501951: 15 June 1951 to 30 September 19511952: 23 February 1952 to 23 September 19521953: 12 May 1953 to 29 September 19531958: 20 July 1958 to 7 October 19581962: 28 January 1962 to 21 September 19621963: 29 April 1963 to 24 October 19631964: 15 June 1964 to 10 October 19641965: 31 March 1965 to 26 September 19651966: 8 May 1966 to 23 August 19661967: 21 March 1967 to 19 September 19671968: 15 January 1968 to 27 December 19681969: 20 March 1969 to 11 November 19691970: 21 January 1970 to 7 October 197019141920192619331941194719581967JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bakhtiarpur meeting 10 mm (0.39 in).
First to last qualifying date each year at Bakhtiarpur
YearFirst dateLast date
19141914-05-101914-09-02
19151915-01-281915-11-20
19161916-02-181916-10-23
19171917-02-061917-10-07
19181918-05-041918-09-14
19191919-01-301919-10-09
19201920-02-031920-09-13
19211921-06-211921-10-12
19221922-01-291922-09-22
19231923-02-231923-10-04
19241924-07-041924-11-09
19251925-01-161925-11-10
19261926-01-061926-09-25
19271927-01-131927-11-14
19281928-01-271928-10-07
19291929-01-011929-12-25
19301930-01-141930-09-25
19321932-04-191932-11-05
19331933-02-131933-10-22
19341934-04-191934-10-16
19351935-01-031935-09-22
19371937-02-111937-10-04
19381938-01-251938-10-15
19391939-02-171939-10-24
19411941-06-081941-09-25
19421942-02-201942-09-29
19431943-01-121943-09-26
19441944-01-251944-09-24
19451945-01-061945-10-23
19461946-05-071946-09-20
19471947-05-191947-10-06
19481948-02-181948-06-30
19501950-07-011950-07-17
19511951-06-151951-09-30
19521952-02-231952-09-23
19531953-05-121953-09-29
19581958-07-201958-10-07
19621962-01-281962-09-21
19631963-04-291963-10-24
19641964-06-151964-10-10
19651965-03-311965-09-26
19661966-05-081966-08-23
19671967-03-211967-09-19
19681968-01-151968-12-27
19691969-03-201969-11-11
19701970-01-211970-10-07

Every Fixed Threshold

Fixed thresholds at Bakhtiarpur
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4648193330
25 mm (0.98 in): Days with 25 mm or more rain4429192914
50 mm (1.97 in): Days with 50 mm or more rain441519335
100 mm (3.94 in): Days with 100 mm or more rain23419391
200 mm (7.87 in): Days with 200 mm or more rain2119221

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.

Download the Data

  • Data for Bakhtiarpur 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).