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Built 2026-10-19 (19 October 2026)

Corum Threshold Days by Year (TUM00017084)

12 fixed thresholds counted per year at Corum (TUM00017084): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Corum Thresholds

  • Corum: days with a maximum temperature at or above 30 C (86 F) in 30 years, most in 2007 with 85.
  • Corum: days with a maximum temperature at or above 90 F (32.2 C) in 30 years, most in 2007 with 48.
  • Corum: days with a maximum temperature at or above 35 C (95 F) in 27 years, most in 2007 with 27.
  • Corum: days with a maximum temperature at or below 0 C (32 F) in 27 years, most in 1992 with 34.
  • 12 fixed thresholds have at least one qualifying day at Corum.
30 years with a qualifying day
Days at or above 30 C (86 F) per year at Corum Days per year at Corum with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 2007. 02550751001983: 161984: 181985: 251988: 211991: 381992: 181995: 311996: 461997: 261999: 432000: 492001: 742002: 432003: 422004: 482006: 622007: 852008: 652009: 372010: 752011: 332012: 502019: 252020: 802021: 422022: 452023: 502024: 782025: 542026: 311983198819951999200220062009201220212024
Days per year at Corum with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 85 in 2007.
Days at or above 30 C (86 F) per year at Corum
YearDaysDecade average
19831620
19841820
19852520
19882120
19913833.7
19921833.7
19953133.7
19964633.7
19972633.7
19994333.7
20004956.1
20017456.1
20024356.1
20034256.1
20044856.1
20066256.1
20078556.1
20086556.1
20093756.1
20107545.8
20113345.8
20125045.8
20192545.8
20208054.3
20214254.3
20224554.3
20235054.3
20247854.3
20255454.3
20263154.3
First to last qualifying date each year at Corum For each year, a bar from the first to the last day at Corum meeting 30 C (86 F). 1983: 30 June 1983 to 20 September 19831984: 11 May 1984 to 26 September 19841985: 18 June 1985 to 23 September 19851988: 16 May 1988 to 18 September 19881991: 18 June 1991 to 3 October 19911992: 12 June 1992 to 6 September 19921995: 22 May 1995 to 16 September 19951996: 23 June 1996 to 14 September 19961997: 9 May 1997 to 16 October 19971999: 17 June 1999 to 6 October 19992000: 16 June 2000 to 24 September 20002001: 2 June 2001 to 4 October 20012002: 26 May 2002 to 27 September 20022003: 4 May 2003 to 9 October 20032004: 13 June 2004 to 30 September 20042006: 25 May 2006 to 6 October 20062007: 7 May 2007 to 28 September 20072008: 21 May 2008 to 17 September 20082009: 3 June 2009 to 20 October 20092010: 16 May 2010 to 27 September 20102011: 9 June 2011 to 21 September 20112012: 11 June 2012 to 1 October 20122019: 15 May 2019 to 19 September 20192020: 15 May 2020 to 14 October 20202021: 13 May 2021 to 31 August 20212022: 29 May 2022 to 18 September 20222023: 25 June 2023 to 24 September 20232024: 24 April 2024 to 29 September 20242025: 24 May 2025 to 15 September 20252026: 30 June 2026 to 13 September 202619831991199720022007201120212025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Corum meeting 30 C (86 F).
First to last qualifying date each year at Corum
YearFirst dateLast date
19831983-06-301983-09-20
19841984-05-111984-09-26
19851985-06-181985-09-23
19881988-05-161988-09-18
19911991-06-181991-10-03
19921992-06-121992-09-06
19951995-05-221995-09-16
19961996-06-231996-09-14
19971997-05-091997-10-16
19991999-06-171999-10-06
20002000-06-162000-09-24
20012001-06-022001-10-04
20022002-05-262002-09-27
20032003-05-042003-10-09
20042004-06-132004-09-30
20062006-05-252006-10-06
20072007-05-072007-09-28
20082008-05-212008-09-17
20092009-06-032009-10-20
20102010-05-162010-09-27
20112011-06-092011-09-21
20122012-06-112012-10-01
20192019-05-152019-09-19
20202020-05-152020-10-14
20212021-05-132021-08-31
20222022-05-292022-09-18
20232023-06-252023-09-24
20242024-04-242024-09-29
20252025-05-242025-09-15
20262026-06-302026-09-13

Every Fixed Threshold

Fixed thresholds at Corum
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3085200731
35 C (95 F): Days2727200711
40 C (104 F): Days3220001
90 F (32.2 C): Days3048200711
100 F (37.8 C): Days17820063
0 C (32 F): Ice days (max273419925
0 C (32 F): Frost days (min383202538
-10 C (14 F): Days with min2220253
20 C (68 F): Tropical nights (min2620256
10 mm (0.39 in): Days with 10 mm or more rain151920095
25 mm (0.98 in): Days with 25 mm or more rain15320064
50 mm (1.97 in): Days with 50 mm or more rain2120111

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1983.

Download the Data

  • Data for Corum 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 (2026-10-18).