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Built 2026-10-19 (19 October 2026)

Brillion Threshold Days by Year (USC00471064)

16 fixed thresholds counted per year at Brillion (USC00471064): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Brillion Thresholds

  • Brillion: days with 10 mm (0.39 in) or more of precipitation in 84 years, most in 2019 with 37.
  • Brillion: days with 25 mm (0.98 in) or more of precipitation in 84 years, most in 2018 with 12.
  • Brillion: days with 10 cm (3.9 in) or more of snowfall in 72 years, most in 1926 with 9.
  • Brillion: days with 50 mm (1.97 in) or more of precipitation in 39 years, most in 2021 with 4.
  • 16 fixed thresholds have at least one qualifying day at Brillion.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Brillion Days per year at Brillion with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 2012. 0102030401998: 161999: 252000: 52001: 302002: 322003: 152004: 32005: 352006: 202007: 282008: 82009: 62010: 182011: 152012: 382013: 212014: 62015: 162016: 262017: 182018: 262019: 252020: 302021: 212022: 132023: 252024: 172025: 242026: 211998200120042007201020132016201920222025
Days per year at Brillion with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 2012.
Days at or above 30 C (86 F) per year at Brillion
YearDaysDecade average
19981620.5
19992520.5
2000518.2
20013018.2
20023218.2
20031518.2
2004318.2
20053518.2
20062018.2
20072818.2
2008818.2
2009618.2
20101820.9
20111520.9
20123820.9
20132120.9
2014620.9
20151620.9
20162620.9
20171820.9
20182620.9
20192520.9
20203021.6
20212121.6
20221321.6
20232521.6
20241721.6
20252421.6
20262121.6
First to last qualifying date each year at Brillion For each year, a bar from the first to the last day at Brillion meeting 30 C (86 F). 1998: 18 May 1998 to 13 September 19981999: 5 June 1999 to 5 September 19992000: 8 June 2000 to 31 August 20002001: 13 June 2001 to 9 August 20012002: 1 June 2002 to 9 September 20022003: 23 June 2003 to 6 September 20032004: 7 June 2004 to 13 July 20042005: 6 June 2005 to 4 October 20052006: 29 May 2006 to 18 September 20062007: 15 May 2007 to 7 October 20072008: 7 June 2008 to 3 September 20082009: 21 May 2009 to 16 August 20092010: 24 May 2010 to 31 August 20102011: 7 June 2011 to 20 August 20112012: 20 May 2012 to 5 September 20122013: 31 May 2013 to 11 September 20132014: 1 June 2014 to 30 August 20142015: 18 July 2015 to 7 September 20152016: 11 June 2016 to 7 September 20162017: 11 June 2017 to 26 September 20172018: 25 May 2018 to 18 September 20182019: 1 June 2019 to 8 August 20192020: 26 May 2020 to 27 August 20202021: 5 June 2021 to 29 August 20212022: 13 May 2022 to 2 September 20222023: 31 May 2023 to 3 October 20232024: 5 June 2024 to 20 September 20242025: 21 June 2025 to 5 October 20252026: 27 May 2026 to 2 September 202619982002200620102014201820222026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Brillion meeting 30 C (86 F).
First to last qualifying date each year at Brillion
YearFirst dateLast date
19981998-05-181998-09-13
19991999-06-051999-09-05
20002000-06-082000-08-31
20012001-06-132001-08-09
20022002-06-012002-09-09
20032003-06-232003-09-06
20042004-06-072004-07-13
20052005-06-062005-10-04
20062006-05-292006-09-18
20072007-05-152007-10-07
20082008-06-072008-09-03
20092009-05-212009-08-16
20102010-05-242010-08-31
20112011-06-072011-08-20
20122012-05-202012-09-05
20132013-05-312013-09-11
20142014-06-012014-08-30
20152015-07-182015-09-07
20162016-06-112016-09-07
20172017-06-112017-09-26
20182018-05-252018-09-18
20192019-06-012019-08-08
20202020-05-262020-08-27
20212021-06-052021-08-29
20222022-05-132022-09-02
20232023-05-312023-10-03
20242024-06-052024-09-20
20252025-06-212025-10-05
20262026-05-272026-09-02

Every Fixed Threshold

Fixed thresholds at Brillion
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2938201221
35 C (95 F): Days11420121
90 F (32.2 C): Days282020128
0 C (32 F): Ice days (max2995201441
0 C (32 F): Frost days (min29181201899
-10 C (14 F): Days with min2990201435
-20 C (-4 F): Days with min293420149
-30 C (-22 F): Days with min1420194
20 C (68 F): Tropical nights (min291320198
25 C (77 F): Days with min5120011
10 mm (0.39 in): Days with 10 mm or more rain8437201927
25 mm (0.98 in): Days with 25 mm or more rain841220186
50 mm (1.97 in): Days with 50 mm or more rain39420212
100 mm (3.94 in): Days with 100 mm or more rain6119751
10 cm (3.9 in): Days with 10 cm or more snowfall72919262
25 cm (9.8 in): Days with 25 cm or more snowfall17119291

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1998.

Download the Data

  • Data for Brillion 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).