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Built 2026-10-18 (18 October 2026)

Borsat Threshold Days by Year

5 fixed thresholds counted per year at Borsat (IN024140600): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Borsat Thresholds

  • Borsat: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1959 with 73.
  • Borsat: days with 25 mm (0.98 in) or more of precipitation in 52 years, most in 1943 with 40.
  • Borsat: days with 50 mm (1.97 in) or more of precipitation in 52 years, most in 1943 with 21.
  • Borsat: days with 100 mm (3.94 in) or more of precipitation in 27 years, most in 1943 with 6.
  • 5 fixed thresholds have at least one qualifying day at Borsat.
52 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Borsat Days per year at Borsat with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 73 in 1959. 0204060801901: 411902: 501903: 441904: 401905: 531906: 481907: 361908: 341909: 541910: 421911: 351912: 491913: 541914: 471915: 471916: 521919: 451920: 381921: 391922: 461923: 351924: 401925: 411926: 541927: 391928: 521929: 401930: 651931: 481932: 361933: 581934: 381935: 261936: 391939: 521940: 331941: 651942: 411943: 621944: 401945: 271946: 481948: 351951: 391952: 441953: 411954: 501955: 391956: 571957: 361958: 391959: 73190119071913192119271933194119481956
Days per year at Borsat with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 73 in 1959.
Days with 10 mm (0.39 in) or more of precipitation per year at Borsat
YearDaysDecade average
19014144.4
19025044.4
19034444.4
19044044.4
19055344.4
19064844.4
19073644.4
19083444.4
19095444.4
19104246.4
19113546.4
19124946.4
19135446.4
19144746.4
19154746.4
19165246.4
19194546.4
19203842.4
19213942.4
19224642.4
19233542.4
19244042.4
19254142.4
19265442.4
19273942.4
19285242.4
19294042.4
19306545.3
19314845.3
19323645.3
19335845.3
19343845.3
19352645.3
19363945.3
19395245.3
19403343.9
19416543.9
19424143.9
19436243.9
19444043.9
19452743.9
19464843.9
19483543.9
19513946.4
19524446.4
19534146.4
19545046.4
19553946.4
19565746.4
19573646.4
19583946.4
19597346.4
First to last qualifying date each year at Borsat For each year, a bar from the first to the last day at Borsat meeting 10 mm (0.39 in). 1901: 5 January 1901 to 27 November 19011902: 12 March 1902 to 4 November 19021903: 15 February 1903 to 30 October 19031904: 19 February 1904 to 19 October 19041905: 13 January 1905 to 25 October 19051906: 22 January 1906 to 31 October 19061907: 14 February 1907 to 13 December 19071908: 11 May 1908 to 20 September 19081909: 13 April 1909 to 5 December 19091910: 8 January 1910 to 25 October 19101911: 28 January 1911 to 14 October 19111912: 3 March 1912 to 1 November 19121913: 16 February 1913 to 19 November 19131914: 19 February 1914 to 20 December 19141915: 4 March 1915 to 21 October 19151916: 8 April 1916 to 31 October 19161919: 21 January 1919 to 15 November 19191920: 7 February 1920 to 11 October 19201921: 22 January 1921 to 29 September 19211922: 9 April 1922 to 3 October 19221923: 13 February 1923 to 23 December 19231924: 16 April 1924 to 9 November 19241925: 8 February 1925 to 16 October 19251926: 10 January 1926 to 27 December 19261927: 10 January 1927 to 4 October 19271928: 8 April 1928 to 15 October 19281929: 18 January 1929 to 25 December 19291930: 10 February 1930 to 25 November 19301931: 9 March 1931 to 5 November 19311932: 31 March 1932 to 14 November 19321933: 27 January 1933 to 19 October 19331934: 21 April 1934 to 15 October 19341935: 17 January 1935 to 31 December 19351936: 7 January 1936 to 5 October 19361939: 7 April 1939 to 25 October 19391940: 29 February 1940 to 22 October 19401941: 25 January 1941 to 19 November 19411942: 12 June 1942 to 16 October 19421943: 31 January 1943 to 18 October 19431944: 30 January 1944 to 4 October 19441945: 8 January 1945 to 22 October 19451946: 31 March 1946 to 21 November 19461948: 5 February 1948 to 28 November 19481951: 25 March 1951 to 30 October 19511952: 23 March 1952 to 12 October 19521953: 1 February 1953 to 9 November 19531954: 21 January 1954 to 30 December 19541955: 3 April 1955 to 9 November 19551956: 29 January 1956 to 2 November 19561957: 11 January 1957 to 23 October 19571958: 10 April 1958 to 2 November 19581959: 21 January 1959 to 29 October 195919011908191519241931194019481957JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Borsat meeting 10 mm (0.39 in).
First to last qualifying date each year at Borsat
YearFirst dateLast date
19011901-01-051901-11-27
19021902-03-121902-11-04
19031903-02-151903-10-30
19041904-02-191904-10-19
19051905-01-131905-10-25
19061906-01-221906-10-31
19071907-02-141907-12-13
19081908-05-111908-09-20
19091909-04-131909-12-05
19101910-01-081910-10-25
19111911-01-281911-10-14
19121912-03-031912-11-01
19131913-02-161913-11-19
19141914-02-191914-12-20
19151915-03-041915-10-21
19161916-04-081916-10-31
19191919-01-211919-11-15
19201920-02-071920-10-11
19211921-01-221921-09-29
19221922-04-091922-10-03
19231923-02-131923-12-23
19241924-04-161924-11-09
19251925-02-081925-10-16
19261926-01-101926-12-27
19271927-01-101927-10-04
19281928-04-081928-10-15
19291929-01-181929-12-25
19301930-02-101930-11-25
19311931-03-091931-11-05
19321932-03-311932-11-14
19331933-01-271933-10-19
19341934-04-211934-10-15
19351935-01-171935-12-31
19361936-01-071936-10-05
19391939-04-071939-10-25
19401940-02-291940-10-22
19411941-01-251941-11-19
19421942-06-121942-10-16
19431943-01-311943-10-18
19441944-01-301944-10-04
19451945-01-081945-10-22
19461946-03-311946-11-21
19481948-02-051948-11-28
19511951-03-251951-10-30
19521952-03-231952-10-12
19531953-02-011953-11-09
19541954-01-211954-12-30
19551955-04-031955-11-09
19561956-01-291956-11-02
19571957-01-111957-10-23
19581958-04-101958-11-02
19591959-01-211959-10-29

Every Fixed Threshold

Fixed thresholds at Borsat
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5273195973
25 mm (0.98 in): Days with 25 mm or more rain5240194334
50 mm (1.97 in): Days with 50 mm or more rain5221194311
100 mm (3.94 in): Days with 100 mm or more rain27619434
200 mm (7.87 in): Days with 200 mm or more rain5119081

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 Borsat 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).