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Built 2026-10-19 (19 October 2026)

Indiana Threshold Days by Year (ASN00015610)

5 fixed thresholds counted per year at Indiana (ASN00015610): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Indiana Thresholds

  • Indiana: days with 10 mm (0.39 in) or more of precipitation in 41 years, most in 1977 with 17.
  • Indiana: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 2026 with 9.
  • Indiana: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1979 with 4.
  • Indiana: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1968 with 1.
  • 5 fixed thresholds have at least one qualifying day at Indiana.
41 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Indiana Days per year at Indiana with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1977. 051015201966: 111967: 31968: 111970: 71972: 71973: 101977: 171978: 121979: 131981: 101982: 101983: 101984: 101987: 71988: 81989: 31990: 51991: 121992: 81993: 71994: 31995: 141996: 11998: 61999: 92000: 162001: 152002: 62003: 12004: 82005: 62006: 62018: 52019: 12020: 132021: 62022: 122023: 92024: 112025: 102026: 15196619731982198919942000200520212026
Days per year at Indiana with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 17 in 1977.
Days with 10 mm (0.39 in) or more of precipitation per year at Indiana
YearDaysDecade average
1966118.3
196738.3
1968118.3
1970711
1972711
19731011
19771711
19781211
19791311
1981108.3
1982108.3
1983108.3
1984108.3
198778.3
198888.3
198938.3
199057.2
1991127.2
199287.2
199377.2
199437.2
1995147.2
199617.2
199867.2
199997.2
2000168.3
2001158.3
200268.3
200318.3
200488.3
200568.3
200668.3
201853
201913
20201310.9
2021610.9
20221210.9
2023910.9
20241110.9
20251010.9
20261510.9
First to last qualifying date each year at Indiana For each year, a bar from the first to the last day at Indiana meeting 10 mm (0.39 in). 1966: 9 January 1966 to 2 December 19661967: 6 February 1967 to 20 May 19671968: 21 January 1968 to 8 October 19681970: 3 February 1970 to 8 December 19701972: 8 January 1972 to 3 December 19721973: 2 February 1973 to 31 December 19731977: 9 January 1977 to 19 December 19771978: 14 January 1978 to 12 November 19781979: 16 January 1979 to 31 December 19791981: 13 January 1981 to 13 December 19811982: 10 February 1982 to 31 December 19821983: 16 March 1983 to 6 December 19831984: 7 January 1984 to 17 December 19841987: 1 February 1987 to 27 December 19871988: 29 March 1988 to 27 December 19881989: 8 March 1989 to 17 November 19891990: 9 January 1990 to 20 May 19901991: 15 January 1991 to 9 December 19911992: 24 January 1992 to 19 December 19921993: 19 February 1993 to 21 December 19931994: 18 February 1994 to 19 December 19941995: 12 January 1995 to 31 December 19951996: 1 January 1996 to 1 January 19961998: 6 February 1998 to 11 November 19981999: 9 March 1999 to 26 December 19992000: 9 February 2000 to 21 December 20002001: 27 January 2001 to 15 December 20012002: 20 February 2002 to 29 November 20022003: 17 December 2003 to 17 December 20032004: 28 January 2004 to 27 May 20042005: 4 January 2005 to 14 October 20052006: 26 January 2006 to 25 December 20062018: 12 January 2018 to 21 November 20182019: 26 March 2019 to 26 March 20192020: 30 January 2020 to 25 December 20202021: 10 March 2021 to 10 November 20212022: 27 January 2022 to 24 December 20222023: 8 January 2023 to 11 November 20232024: 12 January 2024 to 10 December 20242025: 22 March 2025 to 29 November 20252026: 8 February 2026 to 9 July 20261966197719841992199920052022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Indiana meeting 10 mm (0.39 in).
First to last qualifying date each year at Indiana
YearFirst dateLast date
19661966-01-091966-12-02
19671967-02-061967-05-20
19681968-01-211968-10-08
19701970-02-031970-12-08
19721972-01-081972-12-03
19731973-02-021973-12-31
19771977-01-091977-12-19
19781978-01-141978-11-12
19791979-01-161979-12-31
19811981-01-131981-12-13
19821982-02-101982-12-31
19831983-03-161983-12-06
19841984-01-071984-12-17
19871987-02-011987-12-27
19881988-03-291988-12-27
19891989-03-081989-11-17
19901990-01-091990-05-20
19911991-01-151991-12-09
19921992-01-241992-12-19
19931993-02-191993-12-21
19941994-02-181994-12-19
19951995-01-121995-12-31
19961996-01-011996-01-01
19981998-02-061998-11-11
19991999-03-091999-12-26
20002000-02-092000-12-21
20012001-01-272001-12-15
20022002-02-202002-11-29
20032003-12-172003-12-17
20042004-01-282004-05-27
20052005-01-042005-10-14
20062006-01-262006-12-25
20182018-01-122018-11-21
20192019-03-262019-03-26
20202020-01-302020-12-25
20212021-03-102021-11-10
20222022-01-272022-12-24
20232023-01-082023-11-11
20242024-01-122024-12-10
20252025-03-222025-11-29
20262026-02-082026-07-09

Every Fixed Threshold

Fixed thresholds at Indiana
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain4117197715
25 mm (0.98 in): Days with 25 mm or more rain35920269
50 mm (1.97 in): Days with 50 mm or more rain23419792
100 mm (3.94 in): Days with 100 mm or more rain4119681
200 mm (7.87 in): Days with 200 mm or more rain1119831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1966.

Download the Data

  • Data for Indiana 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 (2026-10-12).