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Built 2026-10-19 (19 October 2026)

Wells Threshold Days by Year (USC00218808)

17 fixed thresholds counted per year at Wells (USC00218808): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wells Thresholds

  • Wells: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 2019 with 44.
  • Wells: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 2024 with 17.
  • Wells: days with 10 cm (3.9 in) or more of snowfall in 61 years, most in 1983 with 7.
  • Wells: days with 50 mm (1.97 in) or more of precipitation in 59 years, most in 2016 with 4.
  • 17 fixed thresholds have at least one qualifying day at Wells.
33 years with a qualifying day
Days at or above 30 C (86 F) per year at Wells Days per year at Wells with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 2012. 02040601993: 151994: 201995: 361997: 231998: 371999: 292000: 262001: 312002: 392003: 252004: 142005: 372006: 302007: 372008: 152009: 82010: 352011: 292012: 452013: 292014: 92015: 152016: 222017: 242018: 312019: 182020: 292021: 322022: 292023: 422024: 162025: 272026: 32199319982002200620102014201820222026
Days per year at Wells with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 45 in 2012.
Days at or above 30 C (86 F) per year at Wells
YearDaysDecade average
19931526.7
19942026.7
19953626.7
19972326.7
19983726.7
19992926.7
20002626.2
20013126.2
20023926.2
20032526.2
20041426.2
20053726.2
20063026.2
20073726.2
20081526.2
2009826.2
20103525.7
20112925.7
20124525.7
20132925.7
2014925.7
20151525.7
20162225.7
20172425.7
20183125.7
20191825.7
20202929.6
20213229.6
20222929.6
20234229.6
20241629.6
20252729.6
20263229.6
First to last qualifying date each year at Wells For each year, a bar from the first to the last day at Wells meeting 30 C (86 F). 1993: 11 June 1993 to 7 October 19931994: 18 April 1994 to 14 September 19941995: 15 June 1995 to 12 October 19951997: 16 June 1997 to 7 October 19971998: 15 May 1998 to 20 September 19981999: 29 May 1999 to 8 September 19992000: 5 May 2000 to 19 September 20002001: 15 May 2001 to 3 October 20012002: 16 April 2002 to 1 October 20022003: 15 April 2003 to 9 September 20032004: 19 April 2004 to 20 September 20042005: 7 June 2005 to 4 October 20052006: 14 April 2006 to 4 October 20062007: 30 April 2007 to 7 October 20072008: 26 May 2008 to 2 September 20082009: 20 May 2009 to 15 August 20092010: 24 May 2010 to 10 October 20102011: 11 May 2011 to 13 September 20112012: 19 May 2012 to 12 September 20122013: 15 May 2013 to 10 September 20132014: 31 May 2014 to 5 September 20142015: 10 June 2015 to 12 October 20152016: 7 May 2016 to 22 September 20162017: 15 May 2017 to 25 September 20172018: 25 May 2018 to 19 September 20182019: 1 June 2019 to 1 October 20192020: 2 June 2020 to 26 September 20202021: 4 June 2021 to 27 September 20212022: 10 May 2022 to 21 September 20222023: 13 April 2023 to 3 October 20232024: 4 June 2024 to 6 October 20242025: 12 May 2025 to 5 October 20252026: 16 May 2026 to 13 October 20261993199920042009201420192024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wells meeting 30 C (86 F).
First to last qualifying date each year at Wells
YearFirst dateLast date
19931993-06-111993-10-07
19941994-04-181994-09-14
19951995-06-151995-10-12
19971997-06-161997-10-07
19981998-05-151998-09-20
19991999-05-291999-09-08
20002000-05-052000-09-19
20012001-05-152001-10-03
20022002-04-162002-10-01
20032003-04-152003-09-09
20042004-04-192004-09-20
20052005-06-072005-10-04
20062006-04-142006-10-04
20072007-04-302007-10-07
20082008-05-262008-09-02
20092009-05-202009-08-15
20102010-05-242010-10-10
20112011-05-112011-09-13
20122012-05-192012-09-12
20132013-05-152013-09-10
20142014-05-312014-09-05
20152015-06-102015-10-12
20162016-05-072016-09-22
20172017-05-152017-09-25
20182018-05-252018-09-19
20192019-06-012019-10-01
20202020-06-022020-09-26
20212021-06-042021-09-27
20222022-05-102022-09-21
20232023-04-132023-10-03
20242024-06-042024-10-06
20252025-05-122025-10-05
20262026-05-162026-10-13

Every Fixed Threshold

Fixed thresholds at Wells
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3345201232
35 C (95 F): Days19719951
90 F (32.2 C): Days322520127
100 F (37.8 C): Days2219951
0 C (32 F): Ice days (max3389201036
0 C (32 F): Frost days (min32183201393
-10 C (14 F): Days with min3294201440
-20 C (-4 F): Days with min3243201411
-30 C (-22 F): Days with min12619941
20 C (68 F): Tropical nights (min3225201021
25 C (77 F): Days with min6520111
10 mm (0.39 in): Days with 10 mm or more rain7644201922
25 mm (0.98 in): Days with 25 mm or more rain761720244
50 mm (1.97 in): Days with 50 mm or more rain59420163
100 mm (3.94 in): Days with 100 mm or more rain10220072
10 cm (3.9 in): Days with 10 cm or more snowfall61719831
25 cm (9.8 in): Days with 25 cm or more snowfall12219451

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1993.

Download the Data

  • Data for Wells 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).