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Built 2026-10-19 (19 October 2026)

Decatur 7NE Threshold Days by Year (USC00402388)

15 fixed thresholds counted per year at Decatur 7NE (USC00402388): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Decatur 7NE Thresholds

  • Decatur 7NE: days with a maximum temperature at or above 30 C (86 F) in 28 years, most in 2016 with 126.
  • Decatur 7NE: days with a maximum temperature at or above 90 F (32.2 C) in 28 years, most in 2016 with 97.
  • Decatur 7NE: nights with a minimum temperature at or below 0 C (32 F) in 28 years, most in 2010 with 116.
  • Decatur 7NE: nights with a minimum temperature at or above 20 C (68 F) in 28 years, most in 2018 with 53.
  • 15 fixed thresholds have at least one qualifying day at Decatur 7NE.
28 years with a qualifying day
Days at or above 30 C (86 F) per year at Decatur 7NE Days per year at Decatur 7NE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 126 in 2016. 0501001501998: 1021999: 792000: 782001: 752002: 1022003: 512004: 702005: 862006: 792007: 1252008: 822009: 732010: 1132011: 932012: 842013: 632014: 632015: 802016: 1262017: 842018: 1042019: 1222020: 872021: 702022: 892023: 762024: 852025: 781998200120042007201020132016201920222025
Days per year at Decatur 7NE with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 126 in 2016.
Days at or above 30 C (86 F) per year at Decatur 7NE
YearDaysDecade average
199810290.5
19997990.5
20007882.1
20017582.1
200210282.1
20035182.1
20047082.1
20058682.1
20067982.1
200712582.1
20088282.1
20097382.1
201011393.2
20119393.2
20128493.2
20136393.2
20146393.2
20158093.2
201612693.2
20178493.2
201810493.2
201912293.2
20208780.8
20217080.8
20228980.8
20237680.8
20248580.8
20257880.8
First to last qualifying date each year at Decatur 7NE For each year, a bar from the first to the last day at Decatur 7NE meeting 30 C (86 F). 1998: 14 May 1998 to 6 October 19981999: 4 April 1999 to 29 September 19992000: 7 May 2000 to 4 October 20002001: 11 April 2001 to 13 September 20012002: 17 April 2002 to 3 October 20022003: 24 June 2003 to 21 September 20032004: 8 May 2004 to 25 September 20042005: 13 May 2005 to 26 September 20052006: 15 April 2006 to 6 October 20062007: 26 March 2007 to 9 October 20072008: 1 June 2008 to 14 September 20082009: 25 April 2009 to 26 September 20092010: 6 April 2010 to 12 October 20102011: 10 April 2011 to 15 September 20112012: 30 April 2012 to 8 September 20122013: 16 May 2013 to 6 October 20132014: 5 May 2014 to 12 September 20142015: 6 May 2015 to 21 September 20152016: 21 April 2016 to 2 November 20162017: 15 April 2017 to 12 October 20172018: 12 May 2018 to 9 October 20182019: 1 May 2019 to 6 October 20192020: 18 May 2020 to 16 September 20202021: 24 May 2021 to 15 September 20212022: 20 May 2022 to 22 September 20222023: 6 April 2023 to 5 October 20232024: 21 May 2024 to 25 September 20242025: 5 April 2025 to 2 October 20251998200220062010201420182022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Decatur 7NE meeting 30 C (86 F).
First to last qualifying date each year at Decatur 7NE
YearFirst dateLast date
19981998-05-141998-10-06
19991999-04-041999-09-29
20002000-05-072000-10-04
20012001-04-112001-09-13
20022002-04-172002-10-03
20032003-06-242003-09-21
20042004-05-082004-09-25
20052005-05-132005-09-26
20062006-04-152006-10-06
20072007-03-262007-10-09
20082008-06-012008-09-14
20092009-04-252009-09-26
20102010-04-062010-10-12
20112011-04-102011-09-15
20122012-04-302012-09-08
20132013-05-162013-10-06
20142014-05-052014-09-12
20152015-05-062015-09-21
20162016-04-212016-11-02
20172017-04-152017-10-12
20182018-05-122018-10-09
20192019-05-012019-10-06
20202020-05-182020-09-16
20212021-05-242021-09-15
20222022-05-202022-09-22
20232023-04-062023-10-05
20242024-05-212024-09-25
20252025-04-052025-10-02

Every Fixed Threshold

Fixed thresholds at Decatur 7NE
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days28126201678
35 C (95 F): Days243520163
40 C (104 F): Days2420074
90 F (32.2 C): Days2897201643
100 F (37.8 C): Days51020071
0 C (32 F): Ice days (max261520108
0 C (32 F): Frost days (min28116201098
-10 C (14 F): Days with min2420201011
-20 C (-4 F): Days with min1220242
20 C (68 F): Tropical nights (min2853201847
10 mm (0.39 in): Days with 10 mm or more rain2761201947
25 mm (0.98 in): Days with 25 mm or more rain2725200210
50 mm (1.97 in): Days with 50 mm or more rain27719981
100 mm (3.94 in): Days with 100 mm or more rain7220201
10 cm (3.9 in): Days with 10 cm or more snowfall4119981

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 Decatur 7NE 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 (2025-12-31).