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Built 2026-10-17 (17 October 2026)

Chesterton Threshold Days by Year

4 fixed thresholds counted per year at Chesterton (ASN00044115): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chesterton Thresholds

  • Chesterton: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1998 with 31.
  • Chesterton: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1997 with 10.
  • Chesterton: days with 50 mm (1.97 in) or more of precipitation in 24 years, most in 1997 with 5.
  • Chesterton: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1997 with 2.
  • 4 fixed thresholds have at least one qualifying day at Chesterton.
38 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Chesterton Days per year at Chesterton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1998. 0102030401969: 101970: 181971: 91972: 91973: 241974: 251975: 171976: 151977: 171978: 151979: 101980: 141981: 161982: 81983: 221984: 171985: 131986: 151987: 291988: 101989: 151990: 211991: 101992: 211993: 171994: 141995: 141996: 271997: 211998: 311999: 242000: 192001: 162002: 112003: 162004: 162005: 142006: 111969197319771981198519891993199720012005
Days per year at Chesterton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1998.
Days with 10 mm (0.39 in) or more of precipitation per year at Chesterton
YearDaysDecade average
19691010
19701815.9
1971915.9
1972915.9
19732415.9
19742515.9
19751715.9
19761515.9
19771715.9
19781515.9
19791015.9
19801415.9
19811615.9
1982815.9
19832215.9
19841715.9
19851315.9
19861515.9
19872915.9
19881015.9
19891515.9
19902120
19911020
19922120
19931720
19941420
19951420
19962720
19972120
19983120
19992420
20001914.7
20011614.7
20021114.7
20031614.7
20041614.7
20051414.7
20061114.7
First to last qualifying date each year at Chesterton For each year, a bar from the first to the last day at Chesterton meeting 10 mm (0.39 in). 1969: 17 January 1969 to 23 December 19691970: 21 January 1970 to 22 December 19701971: 5 February 1971 to 27 December 19711972: 4 January 1972 to 17 December 19721973: 10 January 1973 to 7 December 19731974: 1 January 1974 to 30 December 19741975: 3 January 1975 to 31 December 19751976: 12 January 1976 to 27 November 19761977: 6 January 1977 to 8 November 19771978: 17 January 1978 to 4 December 19781979: 6 February 1979 to 16 December 19791980: 10 February 1980 to 14 December 19801981: 2 February 1981 to 14 December 19811982: 8 January 1982 to 4 December 19821983: 2 January 1983 to 16 November 19831984: 7 January 1984 to 19 December 19841985: 9 January 1985 to 9 December 19851986: 7 January 1986 to 9 December 19861987: 1 January 1987 to 30 December 19871988: 7 February 1988 to 21 November 19881989: 10 January 1989 to 18 November 19891990: 15 January 1990 to 14 December 19901991: 5 January 1991 to 22 December 19911992: 26 January 1992 to 28 December 19921993: 6 January 1993 to 9 December 19931994: 1 February 1994 to 29 November 19941995: 3 January 1995 to 30 December 19951996: 2 January 1996 to 12 December 19961997: 3 January 1997 to 27 December 19971998: 15 January 1998 to 31 December 19981999: 1 January 1999 to 27 December 19992000: 9 January 2000 to 16 December 20002001: 10 January 2001 to 16 December 20012002: 4 January 2002 to 25 August 20022003: 8 February 2003 to 28 December 20032004: 8 January 2004 to 10 December 20042005: 31 March 2005 to 9 December 20052006: 8 February 2006 to 4 December 200619691974197919841989199419992004JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chesterton meeting 10 mm (0.39 in).
First to last qualifying date each year at Chesterton
YearFirst dateLast date
19691969-01-171969-12-23
19701970-01-211970-12-22
19711971-02-051971-12-27
19721972-01-041972-12-17
19731973-01-101973-12-07
19741974-01-011974-12-30
19751975-01-031975-12-31
19761976-01-121976-11-27
19771977-01-061977-11-08
19781978-01-171978-12-04
19791979-02-061979-12-16
19801980-02-101980-12-14
19811981-02-021981-12-14
19821982-01-081982-12-04
19831983-01-021983-11-16
19841984-01-071984-12-19
19851985-01-091985-12-09
19861986-01-071986-12-09
19871987-01-011987-12-30
19881988-02-071988-11-21
19891989-01-101989-11-18
19901990-01-151990-12-14
19911991-01-051991-12-22
19921992-01-261992-12-28
19931993-01-061993-12-09
19941994-02-011994-11-29
19951995-01-031995-12-30
19961996-01-021996-12-12
19971997-01-031997-12-27
19981998-01-151998-12-31
19991999-01-011999-12-27
20002000-01-092000-12-16
20012001-01-102001-12-16
20022002-01-042002-08-25
20032003-02-082003-12-28
20042004-01-082004-12-10
20052005-03-312005-12-09
20062006-02-082006-12-04

Every Fixed Threshold

Fixed thresholds at Chesterton
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3831199811
25 mm (0.98 in): Days with 25 mm or more rain381019972
50 mm (1.97 in): Days with 50 mm or more rain24519971
100 mm (3.94 in): Days with 100 mm or more rain3219972

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1969.

Download the Data

  • Data for Chesterton 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).