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Built 2026-10-19 (19 October 2026)

Bakhtiarpur Threshold Days by Year (IN004070700)

5 fixed thresholds counted per year at Bakhtiarpur (IN004070700): 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 55 years, most in 1911 with 45.
  • Bakhtiarpur: days with 25 mm (0.98 in) or more of precipitation in 55 years, most in 1938 with 25.
  • Bakhtiarpur: days with 50 mm (1.97 in) or more of precipitation in 54 years, most in 1938 with 14.
  • Bakhtiarpur: days with 100 mm (3.94 in) or more of precipitation in 37 years, most in 1935 with 6.
  • 5 fixed thresholds have at least one qualifying day at Bakhtiarpur.
55 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 45 in 1911. 02040601901: 231902: 281903: 261904: 391905: 371906: 371907: 321908: 181909: 401910: 301911: 451912: 211913: 341914: 231915: 341916: 431917: 331919: 271920: 311921: 401922: 341923: 151924: 361925: 251926: 301927: 321928: 351929: 391931: 271932: 271934: 341935: 261936: 361937: 381938: 411939: 331940: 301941: 321942: 321943: 261944: 291945: 261946: 231951: 291952: 381953: 221954: 291955: 331956: 431958: 311959: 371960: 351961: 171962: 241965: 251901190719131920192619341940194619561965
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 45 in 1911.
Days with 10 mm (0.39 in) or more of precipitation per year at Bakhtiarpur
YearDaysDecade average
19012331.1
19022831.1
19032631.1
19043931.1
19053731.1
19063731.1
19073231.1
19081831.1
19094031.1
19103032.2
19114532.2
19122132.2
19133432.2
19142332.2
19153432.2
19164332.2
19173332.2
19192732.2
19203131.7
19214031.7
19223431.7
19231531.7
19243631.7
19252531.7
19263031.7
19273231.7
19283531.7
19293931.7
19312732.8
19322732.8
19343432.8
19352632.8
19363632.8
19373832.8
19384132.8
19393332.8
19403028.3
19413228.3
19423228.3
19432628.3
19442928.3
19452628.3
19462328.3
19512932.8
19523832.8
19532232.8
19542932.8
19553332.8
19564332.8
19583132.8
19593732.8
19603525.3
19611725.3
19622425.3
19652525.3
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). 1901: 1 January 1901 to 27 November 19011902: 3 May 1902 to 6 October 19021903: 27 May 1903 to 31 October 19031904: 9 May 1904 to 18 October 19041905: 17 February 1905 to 30 September 19051906: 16 February 1906 to 28 September 19061907: 7 February 1907 to 23 September 19071908: 1 February 1908 to 2 October 19081909: 25 April 1909 to 30 September 19091910: 9 May 1910 to 8 October 19101911: 1 March 1911 to 20 November 19111912: 28 March 1912 to 24 November 19121913: 16 February 1913 to 13 December 19131914: 18 February 1914 to 6 October 19141915: 5 February 1915 to 17 October 19151916: 13 April 1916 to 23 October 19161917: 5 May 1917 to 8 October 19171919: 30 January 1919 to 7 October 19191920: 3 February 1920 to 26 September 19201921: 22 January 1921 to 13 October 19211922: 11 April 1922 to 24 September 19221923: 24 February 1923 to 29 September 19231924: 26 April 1924 to 8 November 19241925: 25 April 1925 to 11 November 19251926: 10 January 1926 to 26 September 19261927: 13 January 1927 to 15 November 19271928: 25 January 1928 to 30 December 19281929: 18 January 1929 to 20 December 19291931: 17 January 1931 to 1 October 19311932: 25 April 1932 to 4 December 19321934: 29 January 1934 to 16 October 19341935: 17 February 1935 to 22 September 19351936: 18 April 1936 to 7 October 19361937: 12 February 1937 to 10 October 19371938: 8 May 1938 to 18 October 19381939: 21 February 1939 to 3 October 19391940: 4 February 1940 to 27 September 19401941: 31 January 1941 to 19 October 19411942: 19 January 1942 to 30 September 19421943: 15 February 1943 to 28 October 19431944: 30 January 1944 to 1 October 19441945: 6 January 1945 to 22 October 19451946: 17 April 1946 to 19 October 19461951: 30 April 1951 to 27 November 19511952: 16 March 1952 to 3 November 19521953: 15 January 1953 to 28 September 19531954: 10 January 1954 to 9 October 19541955: 3 February 1955 to 11 October 19551956: 27 January 1956 to 18 October 19561958: 29 January 1958 to 12 October 19581959: 29 January 1959 to 27 October 19591960: 23 March 1960 to 11 October 19601961: 11 June 1961 to 3 October 19611962: 10 June 1962 to 6 October 19621965: 24 March 1965 to 25 September 196519011908191519231931193919461958JanFebMarAprMayJunJulAugSepOctNovDec
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
19011901-01-011901-11-27
19021902-05-031902-10-06
19031903-05-271903-10-31
19041904-05-091904-10-18
19051905-02-171905-09-30
19061906-02-161906-09-28
19071907-02-071907-09-23
19081908-02-011908-10-02
19091909-04-251909-09-30
19101910-05-091910-10-08
19111911-03-011911-11-20
19121912-03-281912-11-24
19131913-02-161913-12-13
19141914-02-181914-10-06
19151915-02-051915-10-17
19161916-04-131916-10-23
19171917-05-051917-10-08
19191919-01-301919-10-07
19201920-02-031920-09-26
19211921-01-221921-10-13
19221922-04-111922-09-24
19231923-02-241923-09-29
19241924-04-261924-11-08
19251925-04-251925-11-11
19261926-01-101926-09-26
19271927-01-131927-11-15
19281928-01-251928-12-30
19291929-01-181929-12-20
19311931-01-171931-10-01
19321932-04-251932-12-04
19341934-01-291934-10-16
19351935-02-171935-09-22
19361936-04-181936-10-07
19371937-02-121937-10-10
19381938-05-081938-10-18
19391939-02-211939-10-03
19401940-02-041940-09-27
19411941-01-311941-10-19
19421942-01-191942-09-30
19431943-02-151943-10-28
19441944-01-301944-10-01
19451945-01-061945-10-22
19461946-04-171946-10-19
19511951-04-301951-11-27
19521952-03-161952-11-03
19531953-01-151953-09-28
19541954-01-101954-10-09
19551955-02-031955-10-11
19561956-01-271956-10-18
19581958-01-291958-10-12
19591959-01-291959-10-27
19601960-03-231960-10-11
19611961-06-111961-10-03
19621962-06-101962-10-06
19651965-03-241965-09-25

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 rain5545191125
25 mm (0.98 in): Days with 25 mm or more rain5525193813
50 mm (1.97 in): Days with 50 mm or more rain541419382
100 mm (3.94 in): Days with 100 mm or more rain37619351
200 mm (7.87 in): Days with 200 mm or more rain3119051

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 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).