Built 2026-10-19 (19 October 2026)

Horicon Wwtp Threshold Days by Year (USC00473756)

17 fixed thresholds counted per year at Horicon Wwtp (USC00473756): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Horicon Wwtp Thresholds

  • Horicon Wwtp: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 2018 with 39.
  • Horicon Wwtp: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 1978 with 12.
  • Horicon Wwtp: days with a maximum temperature at or above 30 C (86 F) in 55 years, most in 1976 with 52.
  • Horicon Wwtp: days with a maximum temperature at or below 0 C (32 F) in 55 years, most in 2014 with 90.
  • 17 fixed thresholds have at least one qualifying day at Horicon Wwtp.
55 years with a qualifying day
Days at or above 30 C (86 F) per year at Horicon Wwtp Days per year at Horicon Wwtp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 1976. 02040601971: 321972: 291973: 341974: 161975: 421976: 521977: 391978: 231979: 101980: 201981: 111982: 81983: 351985: 191986: 111987: 291988: 491989: 171990: 111991: 261992: 81993: 81994: 121995: 281996: 121997: 151998: 511999: 262000: 82001: 242002: 302003: 212004: 42005: 332006: 202007: 232008: 92009: 72010: 202011: 282012: 462013: 142014: 42015: 122016: 192017: 122018: 102019: 22020: 222021: 302022: 172023: 272024: 152025: 192026: 201971197719831990199620022008201420202026
Days per year at Horicon Wwtp with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 52 in 1976.
Days at or above 30 C (86 F) per year at Horicon Wwtp
YearDaysDecade average
19713230.8
19722930.8
19733430.8
19741630.8
19754230.8
19765230.8
19773930.8
19782330.8
19791030.8
19802022.1
19811122.1
1982822.1
19833522.1
19851922.1
19861122.1
19872922.1
19884922.1
19891722.1
19901119.7
19912619.7
1992819.7
1993819.7
19941219.7
19952819.7
19961219.7
19971519.7
19985119.7
19992619.7
2000817.9
20012417.9
20023017.9
20032117.9
2004417.9
20053317.9
20062017.9
20072317.9
2008917.9
2009717.9
20102016.7
20112816.7
20124616.7
20131416.7
2014416.7
20151216.7
20161916.7
20171216.7
20181016.7
2019216.7
20202221.4
20213021.4
20221721.4
20232721.4
20241521.4
20251921.4
20262021.4
First to last qualifying date each year at Horicon Wwtp For each year, a bar from the first to the last day at Horicon Wwtp meeting 30 C (86 F). 1971: 4 June 1971 to 2 October 19711972: 18 May 1972 to 30 August 19721973: 9 June 1973 to 3 September 19731974: 1 July 1974 to 27 August 19741975: 20 May 1975 to 14 October 19751976: 6 June 1976 to 12 September 19761977: 13 May 1977 to 28 August 19771978: 26 May 1978 to 12 September 19781979: 10 July 1979 to 8 August 19791980: 22 April 1980 to 26 August 19801981: 6 June 1981 to 14 August 19811982: 15 May 1982 to 8 August 19821983: 12 June 1983 to 11 September 19831985: 27 May 1985 to 8 September 19851986: 4 June 1986 to 24 July 19861987: 7 June 1987 to 15 August 19871988: 28 May 1988 to 17 September 19881989: 24 May 1989 to 4 August 19891990: 12 June 1990 to 7 September 19901991: 6 April 1991 to 9 September 19911992: 21 May 1992 to 25 August 19921993: 3 July 1993 to 26 August 19931994: 22 May 1994 to 15 September 19941995: 16 June 1995 to 30 August 19951996: 19 May 1996 to 22 August 19961997: 21 June 1997 to 6 October 19971998: 16 May 1998 to 27 September 19981999: 6 June 1999 to 6 September 19992000: 2 June 2000 to 2 September 20002001: 16 May 2001 to 10 August 20012002: 16 April 2002 to 10 September 20022003: 19 June 2003 to 9 September 20032004: 8 June 2004 to 21 July 20042005: 8 June 2005 to 22 September 20052006: 29 May 2006 to 6 August 20062007: 15 May 2007 to 7 October 20072008: 16 July 2008 to 3 September 20082009: 21 June 2009 to 10 August 20092010: 24 May 2010 to 24 September 20102011: 31 May 2011 to 3 September 20112012: 20 May 2012 to 5 September 20122013: 15 July 2013 to 11 September 20132014: 1 June 2014 to 23 August 20142015: 18 July 2015 to 7 September 20152016: 11 June 2016 to 7 September 20162017: 11 June 2017 to 26 September 20172018: 27 May 2018 to 18 September 20182019: 11 July 2019 to 20 July 20192020: 27 May 2020 to 28 August 20202021: 2 May 2021 to 29 August 20212022: 11 May 2022 to 7 August 20222023: 31 May 2023 to 6 September 20232024: 17 June 2024 to 17 September 20242025: 22 June 2025 to 5 October 20252026: 27 May 2026 to 3 September 202619711978198619932000200720142021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Horicon Wwtp meeting 30 C (86 F).
First to last qualifying date each year at Horicon Wwtp
YearFirst dateLast date
19711971-06-041971-10-02
19721972-05-181972-08-30
19731973-06-091973-09-03
19741974-07-011974-08-27
19751975-05-201975-10-14
19761976-06-061976-09-12
19771977-05-131977-08-28
19781978-05-261978-09-12
19791979-07-101979-08-08
19801980-04-221980-08-26
19811981-06-061981-08-14
19821982-05-151982-08-08
19831983-06-121983-09-11
19851985-05-271985-09-08
19861986-06-041986-07-24
19871987-06-071987-08-15
19881988-05-281988-09-17
19891989-05-241989-08-04
19901990-06-121990-09-07
19911991-04-061991-09-09
19921992-05-211992-08-25
19931993-07-031993-08-26
19941994-05-221994-09-15
19951995-06-161995-08-30
19961996-05-191996-08-22
19971997-06-211997-10-06
19981998-05-161998-09-27
19991999-06-061999-09-06
20002000-06-022000-09-02
20012001-05-162001-08-10
20022002-04-162002-09-10
20032003-06-192003-09-09
20042004-06-082004-07-21
20052005-06-082005-09-22
20062006-05-292006-08-06
20072007-05-152007-10-07
20082008-07-162008-09-03
20092009-06-212009-08-10
20102010-05-242010-09-24
20112011-05-312011-09-03
20122012-05-202012-09-05
20132013-07-152013-09-11
20142014-06-012014-08-23
20152015-07-182015-09-07
20162016-06-112016-09-07
20172017-06-112017-09-26
20182018-05-272018-09-18
20192019-07-112019-07-20
20202020-05-272020-08-28
20212021-05-022021-08-29
20222022-05-112022-08-07
20232023-05-312023-09-06
20242024-06-172024-09-17
20252025-06-222025-10-05
20262026-05-272026-09-03

Every Fixed Threshold

Fixed thresholds at Horicon Wwtp
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days5552197620
35 C (95 F): Days191119881
90 F (32.2 C): Days523419887
100 F (37.8 C): Days3420124
0 C (32 F): Ice days (max5590201439
0 C (32 F): Frost days (min55183199695
-10 C (14 F): Days with min5585198936
-20 C (-4 F): Days with min5535197711
-30 C (-22 F): Days with min151319945
20 C (68 F): Tropical nights (min5417198310
25 C (77 F): Days with min3119951
10 mm (0.39 in): Days with 10 mm or more rain5639201831
25 mm (0.98 in): Days with 25 mm or more rain5612197810
50 mm (1.97 in): Days with 50 mm or more rain44419782
100 mm (3.94 in): Days with 100 mm or more rain5119861
10 cm (3.9 in): Days with 10 cm or more snowfall46619771
25 cm (9.8 in): Days with 25 cm or more snowfall5119791

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Horicon Wwtp 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 (2026-10-17).