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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Koyah Threshold Days by Year (IN003011500)

5 fixed thresholds counted per year at Koyah (IN003011500): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Koyah Thresholds

  • Koyah: days with 10 mm (0.39 in) or more of precipitation in 57 years, most in 1938 with 98.
  • Koyah: days with 25 mm (0.98 in) or more of precipitation in 57 years, most in 1938 with 58.
  • Koyah: days with 50 mm (1.97 in) or more of precipitation in 57 years, most in 1938 with 25.
  • Koyah: days with 100 mm (3.94 in) or more of precipitation in 44 years, most in 1930 with 6.
  • 5 fixed thresholds have at least one qualifying day at Koyah.
57 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Koyah Days per year at Koyah with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 98 in 1938. 02550751001901: 631902: 851903: 751904: 861905: 811907: 831908: 721909: 681910: 861911: 801912: 851913: 741914: 771915: 891916: 831917: 831918: 891919: 491920: 821921: 801922: 591923: 741924: 891925: 801926: 881927: 861928: 811929: 891930: 861931: 641932: 681933: 631934: 921935: 841936: 941937: 661938: 981939: 881940: 971941: 961942: 791943: 741944: 741945: 901946: 781947: 921948: 941949: 811950: 661951: 841952: 661953: 801954: 771955: 691957: 811959: 781966: 741901190819141920192619321938194419501957
Days per year at Koyah with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 98 in 1938.
Days with 10 mm (0.39 in) or more of precipitation per year at Koyah
YearDaysDecade average
19016376.6
19028576.6
19037576.6
19048676.6
19058176.6
19078376.6
19087276.6
19096876.6
19108679.5
19118079.5
19128579.5
19137479.5
19147779.5
19158979.5
19168379.5
19178379.5
19188979.5
19194979.5
19208280.8
19218080.8
19225980.8
19237480.8
19248980.8
19258080.8
19268880.8
19278680.8
19288180.8
19298980.8
19308680.3
19316480.3
19326880.3
19336380.3
19349280.3
19358480.3
19369480.3
19376680.3
19389880.3
19398880.3
19409785.5
19419685.5
19427985.5
19437485.5
19447485.5
19459085.5
19467885.5
19479285.5
19489485.5
19498185.5
19506675.1
19518475.1
19526675.1
19538075.1
19547775.1
19556975.1
19578175.1
19597875.1
19667474
First to last qualifying date each year at Koyah For each year, a bar from the first to the last day at Koyah meeting 10 mm (0.39 in). 1901: 7 April 1901 to 26 November 19011902: 12 March 1902 to 16 October 19021903: 28 January 1903 to 1 November 19031904: 1 February 1904 to 24 November 19041905: 18 February 1905 to 27 October 19051907: 26 January 1907 to 12 December 19071908: 3 April 1908 to 2 November 19081909: 18 January 1909 to 6 December 19091910: 28 March 1910 to 20 October 19101911: 26 January 1911 to 29 October 19111912: 2 February 1912 to 2 November 19121913: 16 February 1913 to 28 October 19131914: 5 February 1914 to 21 December 19141915: 10 February 1915 to 23 October 19151916: 22 January 1916 to 11 November 19161917: 12 February 1917 to 31 October 19171918: 12 February 1918 to 16 October 19181919: 2 March 1919 to 16 November 19191920: 1 February 1920 to 14 November 19201921: 21 January 1921 to 27 October 19211922: 5 March 1922 to 15 October 19221923: 3 February 1923 to 2 November 19231924: 7 February 1924 to 28 November 19241925: 3 January 1925 to 27 November 19251926: 22 February 1926 to 28 December 19261927: 10 February 1927 to 16 November 19271928: 29 February 1928 to 28 October 19281929: 18 January 1929 to 17 December 19291930: 16 January 1930 to 21 November 19301931: 6 March 1931 to 25 December 19311932: 18 March 1932 to 16 November 19321933: 22 March 1933 to 22 October 19331934: 22 February 1934 to 10 November 19341935: 18 February 1935 to 10 November 19351936: 16 February 1936 to 23 December 19361937: 19 March 1937 to 3 December 19371938: 11 January 1938 to 12 November 19381939: 12 February 1939 to 26 October 19391940: 11 February 1940 to 24 October 19401941: 17 February 1941 to 20 November 19411942: 20 March 1942 to 6 November 19421943: 14 January 1943 to 17 October 19431944: 7 January 1944 to 6 October 19441945: 6 January 1945 to 23 October 19451946: 19 March 1946 to 24 October 19461947: 12 March 1947 to 23 December 19471948: 6 February 1948 to 25 October 19481949: 20 March 1949 to 1 November 19491950: 16 January 1950 to 21 November 19501951: 22 March 1951 to 27 November 19511952: 12 January 1952 to 22 October 19521953: 26 February 1953 to 9 November 19531954: 16 February 1954 to 27 October 19541955: 20 March 1955 to 10 November 19551957: 10 January 1957 to 7 October 19571959: 23 January 1959 to 29 October 19591966: 5 January 1966 to 13 December 196619011910191819261934194219501966JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Koyah meeting 10 mm (0.39 in).
First to last qualifying date each year at Koyah
YearFirst dateLast date
19011901-04-071901-11-26
19021902-03-121902-10-16
19031903-01-281903-11-01
19041904-02-011904-11-24
19051905-02-181905-10-27
19071907-01-261907-12-12
19081908-04-031908-11-02
19091909-01-181909-12-06
19101910-03-281910-10-20
19111911-01-261911-10-29
19121912-02-021912-11-02
19131913-02-161913-10-28
19141914-02-051914-12-21
19151915-02-101915-10-23
19161916-01-221916-11-11
19171917-02-121917-10-31
19181918-02-121918-10-16
19191919-03-021919-11-16
19201920-02-011920-11-14
19211921-01-211921-10-27
19221922-03-051922-10-15
19231923-02-031923-11-02
19241924-02-071924-11-28
19251925-01-031925-11-27
19261926-02-221926-12-28
19271927-02-101927-11-16
19281928-02-291928-10-28
19291929-01-181929-12-17
19301930-01-161930-11-21
19311931-03-061931-12-25
19321932-03-181932-11-16
19331933-03-221933-10-22
19341934-02-221934-11-10
19351935-02-181935-11-10
19361936-02-161936-12-23
19371937-03-191937-12-03
19381938-01-111938-11-12
19391939-02-121939-10-26
19401940-02-111940-10-24
19411941-02-171941-11-20
19421942-03-201942-11-06
19431943-01-141943-10-17
19441944-01-071944-10-06
19451945-01-061945-10-23
19461946-03-191946-10-24
19471947-03-121947-12-23
19481948-02-061948-10-25
19491949-03-201949-11-01
19501950-01-161950-11-21
19511951-03-221951-11-27
19521952-01-121952-10-22
19531953-02-261953-11-09
19541954-02-161954-10-27
19551955-03-201955-11-10
19571957-01-101957-10-07
19591959-01-231959-10-29
19661966-01-051966-12-13

Every Fixed Threshold

Fixed thresholds at Koyah
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain5798193874
25 mm (0.98 in): Days with 25 mm or more rain5758193839
50 mm (1.97 in): Days with 50 mm or more rain5725193821
100 mm (3.94 in): Days with 100 mm or more rain44619304
200 mm (7.87 in): Days with 200 mm or more rain6119101

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 Koyah 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).