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Built 2026-10-19 (19 October 2026)

Johnson Threshold Days by Year (USC00144114)

18 fixed thresholds counted per year at Johnson (USC00144114): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Johnson Thresholds

  • Johnson: days with a maximum temperature at or above 30 C (86 F) in 31 years, most in 2000 with 122.
  • Johnson: days with a maximum temperature at or above 35 C (95 F) in 31 years, most in 2000 with 73.
  • Johnson: days with a maximum temperature at or above 90 F (32.2 C) in 31 years, most in 2000 with 102.
  • Johnson: days with a maximum temperature at or above 100 F (37.8 C) in 31 years, most in 2011 with 35.
  • 18 fixed thresholds have at least one qualifying day at Johnson.
31 years with a qualifying day
Days at or above 30 C (86 F) per year at Johnson Days per year at Johnson with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 122 in 2000. 0501001501996: 931997: 901998: 1111999: 952000: 1222001: 1102002: 1162003: 1002004: 952005: 1052006: 1112007: 1022008: 872009: 842010: 1082011: 1132012: 1152013: 1052014: 1042015: 982016: 1082017: 842018: 1162019: 1032020: 1082021: 1092022: 1222023: 972024: 1192025: 1002026: 11419962000200420082012201620202024
Days per year at Johnson with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 122 in 2000.
Days at or above 30 C (86 F) per year at Johnson
YearDaysDecade average
19969397.3
19979097.3
199811197.3
19999597.3
2000122103.2
2001110103.2
2002116103.2
2003100103.2
200495103.2
2005105103.2
2006111103.2
2007102103.2
200887103.2
200984103.2
2010108105.4
2011113105.4
2012115105.4
2013105105.4
2014104105.4
201598105.4
2016108105.4
201784105.4
2018116105.4
2019103105.4
2020108109.9
2021109109.9
2022122109.9
202397109.9
2024119109.9
2025100109.9
2026114109.9
First to last qualifying date each year at Johnson For each year, a bar from the first to the last day at Johnson meeting 30 C (86 F). 1996: 3 April 1996 to 18 October 19961997: 14 May 1997 to 7 October 19971998: 25 April 1998 to 16 October 19981999: 10 May 1999 to 15 October 19992000: 6 April 2000 to 4 October 20002001: 20 April 2001 to 31 October 20012002: 2 April 2002 to 12 October 20022003: 14 April 2003 to 30 October 20032004: 24 March 2004 to 21 September 20042005: 11 May 2005 to 19 October 20052006: 6 April 2006 to 9 November 20062007: 19 March 2007 to 21 October 20072008: 16 April 2008 to 11 October 20082009: 26 April 2009 to 21 October 20092010: 31 March 2010 to 16 October 20102011: 3 April 2011 to 4 October 20112012: 1 April 2012 to 24 October 20122013: 29 April 2013 to 10 October 20132014: 10 April 2014 to 27 October 20142015: 17 March 2015 to 20 October 20152016: 19 February 2016 to 1 November 20162017: 11 February 2017 to 15 October 20172018: 24 March 2018 to 6 October 20182019: 21 April 2019 to 19 October 20192020: 28 April 2020 to 15 October 20202021: 30 March 2021 to 27 October 20212022: 10 April 2022 to 23 October 20222023: 12 April 2023 to 24 October 20232024: 14 April 2024 to 29 October 20242025: 28 March 2025 to 13 October 20252026: 20 March 2026 to 14 October 202619962000200420082012201620202024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Johnson meeting 30 C (86 F).
First to last qualifying date each year at Johnson
YearFirst dateLast date
19961996-04-031996-10-18
19971997-05-141997-10-07
19981998-04-251998-10-16
19991999-05-101999-10-15
20002000-04-062000-10-04
20012001-04-202001-10-31
20022002-04-022002-10-12
20032003-04-142003-10-30
20042004-03-242004-09-21
20052005-05-112005-10-19
20062006-04-062006-11-09
20072007-03-192007-10-21
20082008-04-162008-10-11
20092009-04-262009-10-21
20102010-03-312010-10-16
20112011-04-032011-10-04
20122012-04-012012-10-24
20132013-04-292013-10-10
20142014-04-102014-10-27
20152015-03-172015-10-20
20162016-02-192016-11-01
20172017-02-112017-10-15
20182018-03-242018-10-06
20192019-04-212019-10-19
20202020-04-282020-10-15
20212021-03-302021-10-27
20222022-04-102022-10-23
20232023-04-122023-10-24
20242024-04-142024-10-29
20252025-03-282025-10-13
20262026-03-202026-10-14

Every Fixed Threshold

Fixed thresholds at Johnson
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days311222000114
35 C (95 F): Days3173200052
40 C (104 F): Days271020247
90 F (32.2 C): Days31102200091
100 F (37.8 C): Days3135201128
110 F (43.3 C): Days10n/a1
0 C (32 F): Ice days (max312820074
0 C (32 F): Frost days (min31156201366
-10 C (14 F): Days with min3149199612
-20 C (-4 F): Days with min17720252
20 C (68 F): Tropical nights (min3146201127
25 C (77 F): Days with min10n/a1
10 mm (0.39 in): Days with 10 mm or more rain3122201517
25 mm (0.98 in): Days with 25 mm or more rain31720017
50 mm (1.97 in): Days with 50 mm or more rain17320163
100 mm (3.94 in): Days with 100 mm or more rain1120011
10 cm (3.9 in): Days with 10 cm or more snowfall18419971
25 cm (9.8 in): Days with 25 cm or more snowfall4119971

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1996.

Download the Data

  • Data for Johnson 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).