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Built 2026-10-19 (19 October 2026)

Evanston Threshold Days by Year (ASN00036111)

4 fixed thresholds counted per year at Evanston (ASN00036111): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Evanston Thresholds

  • Evanston: days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1998 with 24.
  • Evanston: days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1998 with 10.
  • Evanston: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1981 with 4.
  • Evanston: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1983 with 1.
  • 4 fixed thresholds have at least one qualifying day at Evanston.
35 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Evanston Days per year at Evanston with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1998. 01020301975: 171976: 161977: 171978: 171979: 91980: 141981: 161982: 61983: 161984: 161985: 121986: 121987: 151988: 81989: 171990: 151991: 151992: 81993: 91994: 91995: 91996: 111997: 141998: 241999: 222000: 202002: 22014: 122018: 92019: 82020: 192023: 192024: 112025: 142026: 8197519791983198719911995199920182024
Days per year at Evanston with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 24 in 1998.
Days with 10 mm (0.39 in) or more of precipitation per year at Evanston
YearDaysDecade average
19751715.2
19761615.2
19771715.2
19781715.2
1979915.2
19801413.2
19811613.2
1982613.2
19831613.2
19841613.2
19851213.2
19861213.2
19871513.2
1988813.2
19891713.2
19901513.6
19911513.6
1992813.6
1993913.6
1994913.6
1995913.6
19961113.6
19971413.6
19982413.6
19992213.6
20002011
2002211
2014129.7
201899.7
201989.7
20201914.2
20231914.2
20241114.2
20251414.2
2026814.2
First to last qualifying date each year at Evanston For each year, a bar from the first to the last day at Evanston meeting 10 mm (0.39 in). 1975: 2 January 1975 to 31 December 19751976: 12 January 1976 to 22 December 19761977: 6 January 1977 to 21 December 19771978: 11 January 1978 to 26 December 19781979: 25 January 1979 to 27 December 19791980: 5 January 1980 to 28 December 19801981: 15 January 1981 to 22 December 19811982: 21 January 1982 to 3 November 19821983: 26 February 1983 to 3 December 19831984: 1 January 1984 to 4 October 19841985: 18 February 1985 to 8 December 19851986: 7 January 1986 to 25 December 19861987: 2 January 1987 to 10 November 19871988: 3 February 1988 to 26 December 19881989: 3 February 1989 to 29 November 19891990: 1 March 1990 to 7 December 19901991: 6 January 1991 to 11 December 19911992: 28 January 1992 to 15 October 19921993: 17 February 1993 to 23 December 19931994: 1 February 1994 to 25 December 19941995: 18 January 1995 to 30 December 19951996: 4 January 1996 to 19 December 19961997: 30 January 1997 to 13 December 19971998: 12 January 1998 to 31 December 19981999: 1 January 1999 to 27 December 19992000: 27 January 2000 to 28 December 20002002: 5 January 2002 to 25 January 20022014: 8 January 2014 to 27 December 20142018: 2 February 2018 to 13 December 20182019: 5 February 2019 to 31 October 20192020: 23 January 2020 to 28 December 20202023: 10 January 2023 to 21 December 20232024: 7 January 2024 to 11 December 20242025: 3 February 2025 to 25 December 20252026: 4 January 2026 to 29 June 20261975198019851990199520002020JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Evanston meeting 10 mm (0.39 in).
First to last qualifying date each year at Evanston
YearFirst dateLast date
19751975-01-021975-12-31
19761976-01-121976-12-22
19771977-01-061977-12-21
19781978-01-111978-12-26
19791979-01-251979-12-27
19801980-01-051980-12-28
19811981-01-151981-12-22
19821982-01-211982-11-03
19831983-02-261983-12-03
19841984-01-011984-10-04
19851985-02-181985-12-08
19861986-01-071986-12-25
19871987-01-021987-11-10
19881988-02-031988-12-26
19891989-02-031989-11-29
19901990-03-011990-12-07
19911991-01-061991-12-11
19921992-01-281992-10-15
19931993-02-171993-12-23
19941994-02-011994-12-25
19951995-01-181995-12-30
19961996-01-041996-12-19
19971997-01-301997-12-13
19981998-01-121998-12-31
19991999-01-011999-12-27
20002000-01-272000-12-28
20022002-01-052002-01-25
20142014-01-082014-12-27
20182018-02-022018-12-13
20192019-02-052019-10-31
20202020-01-232020-12-28
20232023-01-102023-12-21
20242024-01-072024-12-11
20252025-02-032025-12-25
20262026-01-042026-06-29

Every Fixed Threshold

Fixed thresholds at Evanston
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain352419988
25 mm (0.98 in): Days with 25 mm or more rain351019984
50 mm (1.97 in): Days with 50 mm or more rain26419811
100 mm (3.94 in): Days with 100 mm or more rain3119831

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

Download the Data

  • Data for Evanston 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).