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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Oak Park Threshold Days by Year

4 fixed thresholds counted per year at Oak Park (ASN00035196): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oak Park Thresholds

  • Oak Park: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1974 with 26.
  • Oak Park: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1976 with 16.
  • Oak Park: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1978 with 9.
  • Oak Park: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1973 with 1.
  • 4 fixed thresholds have at least one qualifying day at Oak Park.
28 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Oak Park Days per year at Oak Park with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1974. 01020301973: 231974: 261975: 221976: 251977: 101978: 211979: 161980: 211981: 221982: 111983: 231984: 201985: 201986: 151987: 241988: 191989: 261991: 191992: 91993: 111994: 121995: 201996: 191997: 181998: 221999: 172000: 252002: 121973197619791982198519881992199519982002
Days per year at Oak Park with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1974.
Days with 10 mm (0.39 in) or more of precipitation per year at Oak Park
YearDaysDecade average
19732320.4
19742620.4
19752220.4
19762520.4
19771020.4
19782120.4
19791620.4
19802120.1
19812220.1
19821120.1
19832320.1
19842020.1
19852020.1
19861520.1
19872420.1
19881920.1
19892620.1
19911916.3
1992916.3
19931116.3
19941216.3
19952016.3
19961916.3
19971816.3
19982216.3
19991716.3
20002518.5
20021218.5
First to last qualifying date each year at Oak Park For each year, a bar from the first to the last day at Oak Park meeting 10 mm (0.39 in). 1973: 9 January 1973 to 20 December 19731974: 1 January 1974 to 29 December 19741975: 2 January 1975 to 30 December 19751976: 11 January 1976 to 27 December 19761977: 25 February 1977 to 22 December 19771978: 16 January 1978 to 27 December 19781979: 24 January 1979 to 27 December 19791980: 7 January 1980 to 31 December 19801981: 1 January 1981 to 23 December 19811982: 16 January 1982 to 21 December 19821983: 2 January 1983 to 4 December 19831984: 16 January 1984 to 17 December 19841985: 26 January 1985 to 29 December 19851986: 1 January 1986 to 12 November 19861987: 2 January 1987 to 30 December 19871988: 4 February 1988 to 20 December 19881989: 7 January 1989 to 20 November 19891991: 4 January 1991 to 20 December 19911992: 10 February 1992 to 19 December 19921993: 12 January 1993 to 25 November 19931994: 10 January 1994 to 26 December 19941995: 8 January 1995 to 12 December 19951996: 3 January 1996 to 19 December 19961997: 19 February 1997 to 28 December 19971998: 12 January 1998 to 29 December 19981999: 3 January 1999 to 19 December 19992000: 15 February 2000 to 29 December 20002002: 2 January 2002 to 27 December 20021973197719811985198919941998JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Oak Park meeting 10 mm (0.39 in).
First to last qualifying date each year at Oak Park
YearFirst dateLast date
19731973-01-091973-12-20
19741974-01-011974-12-29
19751975-01-021975-12-30
19761976-01-111976-12-27
19771977-02-251977-12-22
19781978-01-161978-12-27
19791979-01-241979-12-27
19801980-01-071980-12-31
19811981-01-011981-12-23
19821982-01-161982-12-21
19831983-01-021983-12-04
19841984-01-161984-12-17
19851985-01-261985-12-29
19861986-01-011986-11-12
19871987-01-021987-12-30
19881988-02-041988-12-20
19891989-01-071989-11-20
19911991-01-041991-12-20
19921992-02-101992-12-19
19931993-01-121993-11-25
19941994-01-101994-12-26
19951995-01-081995-12-12
19961996-01-031996-12-19
19971997-02-191997-12-28
19981998-01-121998-12-29
19991999-01-031999-12-19
20002000-02-152000-12-29
20022002-01-022002-12-27

Every Fixed Threshold

Fixed thresholds at Oak Park
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2826197412
25 mm (0.98 in): Days with 25 mm or more rain281619766
50 mm (1.97 in): Days with 50 mm or more rain23919782
100 mm (3.94 in): Days with 100 mm or more rain4119731

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1973.

Download the Data

  • Data for Oak Park 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 (2025-12-31).