Built 2026-10-19 (19 October 2026)

Korai Threshold Days by Year (IN017040700)

5 fixed thresholds counted per year at Korai (IN017040700): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Korai Thresholds

  • Korai: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1936 with 60.
  • Korai: days with 25 mm (0.98 in) or more of precipitation in 33 years, most in 1917 with 31.
  • Korai: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1925 with 11.
  • Korai: days with 100 mm (3.94 in) or more of precipitation in 15 years, most in 1944 with 3.
  • 5 fixed thresholds have at least one qualifying day at Korai.
33 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Korai Days per year at Korai with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 60 in 1936. 02040601912: 371913: 431914: 391915: 511916: 491917: 571918: 311919: 461920: 401921: 411922: 341923: 341924: 411925: 541926: 481927: 281928: 431929: 411930: 281931: 471932: 351933: 471934: 381935: 411936: 601937: 391938: 411939: 391940: 331941: 351943: 401944: 421946: 46191219161920192419281932193619401946
Days per year at Korai with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 60 in 1936.
Days with 10 mm (0.39 in) or more of precipitation per year at Korai
YearDaysDecade average
19123744.1
19134344.1
19143944.1
19155144.1
19164944.1
19175744.1
19183144.1
19194644.1
19204040.4
19214140.4
19223440.4
19233440.4
19244140.4
19255440.4
19264840.4
19272840.4
19284340.4
19294140.4
19302841.5
19314741.5
19323541.5
19334741.5
19343841.5
19354141.5
19366041.5
19373941.5
19384141.5
19393941.5
19403339.2
19413539.2
19434039.2
19444239.2
19464639.2
First to last qualifying date each year at Korai For each year, a bar from the first to the last day at Korai meeting 10 mm (0.39 in). 1912: 14 April 1912 to 31 October 19121913: 17 February 1913 to 14 October 19131914: 18 February 1914 to 30 September 19141915: 18 January 1915 to 18 November 19151916: 30 April 1916 to 3 November 19161917: 4 February 1917 to 30 October 19171918: 26 March 1918 to 27 September 19181919: 26 January 1919 to 15 November 19191920: 6 March 1920 to 9 October 19201921: 22 January 1921 to 26 October 19211922: 4 May 1922 to 23 September 19221923: 21 February 1923 to 20 November 19231924: 6 January 1924 to 21 November 19241925: 23 April 1925 to 22 December 19251926: 9 March 1926 to 5 October 19261927: 9 April 1927 to 5 October 19271928: 8 April 1928 to 22 October 19281929: 20 April 1929 to 26 December 19291930: 5 January 1930 to 4 November 19301931: 9 March 1931 to 5 November 19311932: 24 May 1932 to 13 November 19321933: 17 February 1933 to 19 October 19331934: 2 May 1934 to 21 September 19341935: 4 February 1935 to 23 September 19351936: 24 February 1936 to 28 October 19361937: 11 February 1937 to 29 September 19371938: 16 March 1938 to 11 October 19381939: 28 January 1939 to 28 November 19391940: 7 February 1940 to 21 October 19401941: 25 January 1941 to 19 November 19411943: 22 January 1943 to 9 October 19431944: 30 January 1944 to 14 October 19441946: 2 April 1946 to 16 September 19461912191719221927193219371943JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Korai meeting 10 mm (0.39 in).
First to last qualifying date each year at Korai
YearFirst dateLast date
19121912-04-141912-10-31
19131913-02-171913-10-14
19141914-02-181914-09-30
19151915-01-181915-11-18
19161916-04-301916-11-03
19171917-02-041917-10-30
19181918-03-261918-09-27
19191919-01-261919-11-15
19201920-03-061920-10-09
19211921-01-221921-10-26
19221922-05-041922-09-23
19231923-02-211923-11-20
19241924-01-061924-11-21
19251925-04-231925-12-22
19261926-03-091926-10-05
19271927-04-091927-10-05
19281928-04-081928-10-22
19291929-04-201929-12-26
19301930-01-051930-11-04
19311931-03-091931-11-05
19321932-05-241932-11-13
19331933-02-171933-10-19
19341934-05-021934-09-21
19351935-02-041935-09-23
19361936-02-241936-10-28
19371937-02-111937-09-29
19381938-03-161938-10-11
19391939-01-281939-11-28
19401940-02-071940-10-21
19411941-01-251941-11-19
19431943-01-221943-10-09
19441944-01-301944-10-14
19461946-04-021946-09-16

Every Fixed Threshold

Fixed thresholds at Korai
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3360193646
25 mm (0.98 in): Days with 25 mm or more rain3331191716
50 mm (1.97 in): Days with 50 mm or more rain3311192510
100 mm (3.94 in): Days with 100 mm or more rain15319442
200 mm (7.87 in): Days with 200 mm or more rain1119251

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

  • Data for Korai 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).