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Built 2026-10-18 (18 October 2026)

Innadong Threshold Days by Year

3 fixed thresholds counted per year at Innadong (ASN00009710): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Innadong Thresholds

  • Innadong: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1917 with 53.
  • Innadong: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1921 with 15.
  • Innadong: days with 50 mm (1.97 in) or more of precipitation in 19 years, most in 1907 with 3.
  • 3 fixed thresholds have at least one qualifying day at Innadong.
38 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Innadong Days per year at Innadong with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1917. 02040601907: 451908: 261909: 341910: 421912: 271913: 311914: 171915: 411916: 301917: 531918: 431920: 381921: 381922: 371923: 401924: 361925: 271926: 521927: 361928: 371929: 281930: 331931: 321932: 321933: 341935: 342015: 212016: 362017: 332018: 252019: 252020: 312021: 382022: 312023: 212024: 272025: 292026: 201907191219161921192519291933201720212025
Days per year at Innadong with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 53 in 1917.
Days with 10 mm (0.39 in) or more of precipitation per year at Innadong
YearDaysDecade average
19074535
19082635
19093435
19104235.5
19122735.5
19133135.5
19141735.5
19154135.5
19163035.5
19175335.5
19184335.5
19203836.9
19213836.9
19223736.9
19234036.9
19243636.9
19252736.9
19265236.9
19273636.9
19283736.9
19292836.9
19303333
19313233
19323233
19333433
19353433
20152128
20163628
20173328
20182528
20192528
20203128.1
20213828.1
20223128.1
20232128.1
20242728.1
20252928.1
20262028.1
First to last qualifying date each year at Innadong For each year, a bar from the first to the last day at Innadong meeting 10 mm (0.39 in). 1907: 18 March 1907 to 24 October 19071908: 18 January 1908 to 9 November 19081909: 26 March 1909 to 26 October 19091910: 4 January 1910 to 27 November 19101912: 2 April 1912 to 19 October 19121913: 16 March 1913 to 7 December 19131914: 18 February 1914 to 13 November 19141915: 21 February 1915 to 19 October 19151916: 4 January 1916 to 23 November 19161917: 10 February 1917 to 21 December 19171918: 20 January 1918 to 11 November 19181920: 29 March 1920 to 10 October 19201921: 19 February 1921 to 31 October 19211922: 26 March 1922 to 7 December 19221923: 20 January 1923 to 8 October 19231924: 4 May 1924 to 10 November 19241925: 6 March 1925 to 19 October 19251926: 24 February 1926 to 27 November 19261927: 11 January 1927 to 13 October 19271928: 20 April 1928 to 19 December 19281929: 17 April 1929 to 6 October 19291930: 15 April 1930 to 1 November 19301931: 11 March 1931 to 6 October 19311932: 28 March 1932 to 9 November 19321933: 16 January 1933 to 20 October 19331935: 6 January 1935 to 25 October 19352015: 15 March 2015 to 31 October 20152016: 20 January 2016 to 8 October 20162017: 10 February 2017 to 18 December 20172018: 16 January 2018 to 14 October 20182019: 19 April 2019 to 1 November 20192020: 15 March 2020 to 10 November 20202021: 7 February 2021 to 22 November 20212022: 27 March 2022 to 30 October 20222023: 26 March 2023 to 2 October 20232024: 2 May 2024 to 20 November 20242025: 14 March 2025 to 1 November 20252026: 28 March 2026 to 30 September 202619071913191819241929193520192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Innadong meeting 10 mm (0.39 in).
First to last qualifying date each year at Innadong
YearFirst dateLast date
19071907-03-181907-10-24
19081908-01-181908-11-09
19091909-03-261909-10-26
19101910-01-041910-11-27
19121912-04-021912-10-19
19131913-03-161913-12-07
19141914-02-181914-11-13
19151915-02-211915-10-19
19161916-01-041916-11-23
19171917-02-101917-12-21
19181918-01-201918-11-11
19201920-03-291920-10-10
19211921-02-191921-10-31
19221922-03-261922-12-07
19231923-01-201923-10-08
19241924-05-041924-11-10
19251925-03-061925-10-19
19261926-02-241926-11-27
19271927-01-111927-10-13
19281928-04-201928-12-19
19291929-04-171929-10-06
19301930-04-151930-11-01
19311931-03-111931-10-06
19321932-03-281932-11-09
19331933-01-161933-10-20
19351935-01-061935-10-25
20152015-03-152015-10-31
20162016-01-202016-10-08
20172017-02-102017-12-18
20182018-01-162018-10-14
20192019-04-192019-11-01
20202020-03-152020-11-10
20212021-02-072021-11-22
20222022-03-272022-10-30
20232023-03-262023-10-02
20242024-05-022024-11-20
20252025-03-142025-11-01
20262026-03-282026-09-30

Every Fixed Threshold

Fixed thresholds at Innadong
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3853191720
25 mm (0.98 in): Days with 25 mm or more rain381519214
50 mm (1.97 in): Days with 50 mm or more rain19319071

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

  • Data for Innadong 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-12).