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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

High Ridge Threshold Days by Year (USS0018D19S)

11 fixed thresholds counted per year at High Ridge (USS0018D19S): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for High Ridge Thresholds

  • High Ridge: days with 10 mm (0.39 in) or more of precipitation in 48 years, most in 1996 with 72.
  • High Ridge: days with 25 mm (0.98 in) or more of precipitation in 48 years, most in 1996 with 18.
  • High Ridge: days with a maximum temperature at or below 0 C (32 F) in 35 years, most in 2022 with 80.
  • High Ridge: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 2011 with 205.
  • 11 fixed thresholds have at least one qualifying day at High Ridge.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at High Ridge Days per year at High Ridge with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1998. 051015201992: 61994: 51995: 11996: 71998: 161999: 12000: 12001: 72002: 52003: 162004: 82005: 72006: 102008: 52009: 22012: 22013: 22014: 12015: 102017: 112018: 42019: 12020: 52021: 82022: 142023: 42024: 92025: 62026: 31992199620002003200620122015201920222025
Days per year at High Ridge with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1998.
Days at or above 30 C (86 F) per year at High Ridge
YearDaysDecade average
199266
199456
199516
199676
1998166
199916
200016.8
200176.8
200256.8
2003166.8
200486.8
200576.8
2006106.8
200856.8
200926.8
201224.4
201324.4
201414.4
2015104.4
2017114.4
201844.4
201914.4
202057
202187
2022147
202347
202497
202567
202637
First to last qualifying date each year at High Ridge For each year, a bar from the first to the last day at High Ridge meeting 30 C (86 F). 1992: 31 July 1992 to 18 August 19921994: 21 July 1994 to 13 August 19941995: 2 September 1995 to 2 September 19951996: 26 July 1996 to 11 September 19961998: 25 July 1998 to 6 September 19981999: 28 July 1999 to 28 July 19992000: 23 August 2000 to 23 August 20002001: 3 July 2001 to 16 August 20012002: 26 June 2002 to 13 July 20022003: 18 July 2003 to 6 September 20032004: 23 June 2004 to 14 August 20042005: 15 July 2005 to 21 August 20052006: 27 June 2006 to 4 September 20062008: 29 June 2008 to 17 August 20082009: 1 August 2009 to 20 August 20092012: 8 July 2012 to 7 August 20122013: 1 July 2013 to 2 July 20132014: 11 August 2014 to 11 August 20142015: 26 June 2015 to 13 August 20152017: 6 July 2017 to 6 September 20172018: 30 July 2018 to 10 August 20182019: 6 August 2019 to 6 August 20192020: 30 July 2020 to 4 September 20202021: 27 June 2021 to 15 August 20212022: 27 June 2022 to 2 September 20222023: 14 August 2023 to 17 August 20232024: 8 July 2024 to 2 September 20242025: 8 July 2025 to 3 September 20252026: 15 July 2026 to 21 August 202619921998200220062013201820222026JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at High Ridge meeting 30 C (86 F).
First to last qualifying date each year at High Ridge
YearFirst dateLast date
19921992-07-311992-08-18
19941994-07-211994-08-13
19951995-09-021995-09-02
19961996-07-261996-09-11
19981998-07-251998-09-06
19991999-07-281999-07-28
20002000-08-232000-08-23
20012001-07-032001-08-16
20022002-06-262002-07-13
20032003-07-182003-09-06
20042004-06-232004-08-14
20052005-07-152005-08-21
20062006-06-272006-09-04
20082008-06-292008-08-17
20092009-08-012009-08-20
20122012-07-082012-08-07
20132013-07-012013-07-02
20142014-08-112014-08-11
20152015-06-262015-08-13
20172017-07-062017-09-06
20182018-07-302018-08-10
20192019-08-062019-08-06
20202020-07-302020-09-04
20212021-06-272021-08-15
20222022-06-272022-09-02
20232023-08-142023-08-17
20242024-07-082024-09-02
20252025-07-082025-09-03
20262026-07-152026-08-21

Every Fixed Threshold

Fixed thresholds at High Ridge
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days291619983
90 F (32.2 C): Days20720031
0 C (32 F): Ice days (max3580202218
0 C (32 F): Frost days (min33205201197
-10 C (14 F): Days with min332820092
-20 C (-4 F): Days with min15420221
20 C (68 F): Tropical nights (min11320211
10 mm (0.39 in): Days with 10 mm or more rain4872199625
25 mm (0.98 in): Days with 25 mm or more rain481819965
50 mm (1.97 in): Days with 50 mm or more rain29320202
100 mm (3.94 in): Days with 100 mm or more rain1120201

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1992.

Download the Data

  • Data for High Ridge 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).