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Built 2026-10-19 (19 October 2026)

Congerville 2NW Threshold Days by Year (USC00111836)

17 fixed thresholds counted per year at Congerville 2NW (USC00111836): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Congerville 2NW Thresholds

  • Congerville 2NW: days with 10 mm (0.39 in) or more of precipitation in 36 years, most in 1993 with 49.
  • Congerville 2NW: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1993 with 16.
  • Congerville 2NW: nights with a minimum temperature at or below 0 C (32 F) in 30 years, most in 2002 with 150.
  • Congerville 2NW: nights with a minimum temperature at or below -10 C (14 F) in 30 years, most in 2014 with 60.
  • 17 fixed thresholds have at least one qualifying day at Congerville 2NW.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Congerville 2NW Days per year at Congerville 2NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 86 in 2005. 02550751001997: 401998: 601999: 592000: 462001: 582002: 702003: 412004: 382005: 862006: 422007: 842009: 192010: 642011: 552012: 692013: 462014: 322015: 312016: 642017: 522018: 772019: 402020: 462021: 552022: 452023: 442024: 502025: 642026: 331997200020032006201020132016201920222025
Days per year at Congerville 2NW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 86 in 2005.
Days at or above 30 C (86 F) per year at Congerville 2NW
YearDaysDecade average
19974053
19986053
19995953
20004653.8
20015853.8
20027053.8
20034153.8
20043853.8
20058653.8
20064253.8
20078453.8
20091953.8
20106453
20115553
20126953
20134653
20143253
20153153
20166453
20175253
20187753
20194053
20204648.1
20215548.1
20224548.1
20234448.1
20245048.1
20256448.1
20263348.1
First to last qualifying date each year at Congerville 2NW For each year, a bar from the first to the last day at Congerville 2NW meeting 30 C (86 F). 1997: 19 June 1997 to 8 October 19971998: 15 May 1998 to 30 September 19981999: 30 May 1999 to 27 September 19992000: 13 May 2000 to 20 September 20002001: 4 May 2001 to 13 September 20012002: 16 April 2002 to 3 October 20022003: 15 April 2003 to 21 October 20032004: 17 April 2004 to 24 September 20042005: 9 May 2005 to 6 October 20052006: 14 April 2006 to 5 October 20062007: 1 May 2007 to 9 October 20072009: 23 May 2009 to 16 August 20092010: 24 May 2010 to 11 October 20102011: 11 April 2011 to 8 October 20112012: 7 May 2012 to 13 September 20122013: 15 May 2013 to 5 October 20132014: 8 May 2014 to 30 September 20142015: 30 May 2015 to 18 September 20152016: 26 April 2016 to 18 October 20162017: 16 May 2017 to 3 October 20172018: 2 May 2018 to 10 October 20182019: 17 May 2019 to 2 October 20192020: 25 May 2020 to 11 October 20202021: 25 May 2021 to 11 October 20212022: 11 May 2022 to 21 September 20222023: 31 May 2023 to 4 October 20232024: 20 May 2024 to 13 October 20242025: 29 April 2025 to 7 October 20252026: 27 March 2026 to 5 September 202619972001200520102014201820222026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Congerville 2NW meeting 30 C (86 F).
First to last qualifying date each year at Congerville 2NW
YearFirst dateLast date
19971997-06-191997-10-08
19981998-05-151998-09-30
19991999-05-301999-09-27
20002000-05-132000-09-20
20012001-05-042001-09-13
20022002-04-162002-10-03
20032003-04-152003-10-21
20042004-04-172004-09-24
20052005-05-092005-10-06
20062006-04-142006-10-05
20072007-05-012007-10-09
20092009-05-232009-08-16
20102010-05-242010-10-11
20112011-04-112011-10-08
20122012-05-072012-09-13
20132013-05-152013-10-05
20142014-05-082014-09-30
20152015-05-302015-09-18
20162016-04-262016-10-18
20172017-05-162017-10-03
20182018-05-022018-10-10
20192019-05-172019-10-02
20202020-05-252020-10-11
20212021-05-252021-10-11
20222022-05-112022-09-21
20232023-05-312023-10-04
20242024-05-202024-10-13
20252025-04-292025-10-07
20262026-03-272026-09-05

Every Fixed Threshold

Fixed thresholds at Congerville 2NW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2986200533
35 C (95 F): Days242320123
40 C (104 F): Days1120121
90 F (32.2 C): Days2955200515
100 F (37.8 C): Days4820121
0 C (32 F): Ice days (max2961201422
0 C (32 F): Frost days (min30150200272
-10 C (14 F): Days with min3060201427
-20 C (-4 F): Days with min271920147
-30 C (-22 F): Days with min3219991
20 C (68 F): Tropical nights (min3035201029
25 C (77 F): Days with min6220111
10 mm (0.39 in): Days with 10 mm or more rain3649199323
25 mm (0.98 in): Days with 25 mm or more rain3616199313
50 mm (1.97 in): Days with 50 mm or more rain25520135
100 mm (3.94 in): Days with 100 mm or more rain2119931
10 cm (3.9 in): Days with 10 cm or more snowfall19419971

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1997.

Download the Data

  • Data for Congerville 2NW 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).