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

Ridder Threshold Days by Year (KZ000036208)

11 fixed thresholds counted per year at Ridder (KZ000036208): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ridder Thresholds

  • Ridder: days with 10 mm (0.39 in) or more of precipitation in 52 years, most in 1947 with 30.
  • Ridder: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1946 with 5.
  • Ridder: days with a maximum temperature at or below 0 C (32 F) in 24 years, most in 2011 with 115.
  • Ridder: days with a maximum temperature at or above 30 C (86 F) in 23 years, most in 2017 with 22.
  • 11 fixed thresholds have at least one qualifying day at Ridder.
23 years with a qualifying day
Days at or above 30 C (86 F) per year at Ridder Days per year at Ridder with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 2017. 01020301988: 31992: 41994: 22003: 32006: 12007: 62008: 142011: 42012: 122013: 12014: 122015: 82016: 32017: 222018: 72019: 82020: 92021: 142022: 152023: 192024: 132025: 62026: 1619882003200820132016201920222025
Days per year at Ridder with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 22 in 2017.
Days at or above 30 C (86 F) per year at Ridder
YearDaysDecade average
198833
199243
199423
200336
200616
200766
2008146
201148.6
2012128.6
201318.6
2014128.6
201588.6
201638.6
2017228.6
201878.6
201988.6
2020913.1
20211413.1
20221513.1
20231913.1
20241313.1
2025613.1
20261613.1
First to last qualifying date each year at Ridder For each year, a bar from the first to the last day at Ridder meeting 30 C (86 F). 1988: 17 June 1988 to 19 June 19881992: 29 June 1992 to 15 July 19921994: 25 May 1994 to 9 June 19942003: 4 September 2003 to 9 September 20032006: 13 June 2006 to 13 June 20062007: 24 June 2007 to 2 September 20072008: 30 May 2008 to 10 August 20082011: 12 July 2011 to 18 August 20112012: 28 June 2012 to 24 August 20122013: 14 July 2013 to 14 July 20132014: 14 June 2014 to 1 September 20142015: 23 June 2015 to 7 August 20152016: 14 June 2016 to 14 July 20162017: 15 May 2017 to 5 September 20172018: 17 June 2018 to 10 August 20182019: 9 July 2019 to 29 August 20192020: 26 May 2020 to 3 August 20202021: 27 May 2021 to 8 September 20212022: 25 May 2022 to 7 September 20222023: 4 June 2023 to 27 August 20232024: 23 June 2024 to 15 August 20242025: 17 May 2025 to 27 July 20252026: 11 June 2026 to 11 September 202619882003200820132016201920222025JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ridder meeting 30 C (86 F).
First to last qualifying date each year at Ridder
YearFirst dateLast date
19881988-06-171988-06-19
19921992-06-291992-07-15
19941994-05-251994-06-09
20032003-09-042003-09-09
20062006-06-132006-06-13
20072007-06-242007-09-02
20082008-05-302008-08-10
20112011-07-122011-08-18
20122012-06-282012-08-24
20132013-07-142013-07-14
20142014-06-142014-09-01
20152015-06-232015-08-07
20162016-06-142016-07-14
20172017-05-152017-09-05
20182018-06-172018-08-10
20192019-07-092019-08-29
20202020-05-262020-08-03
20212021-05-272021-09-08
20222022-05-252022-09-07
20232023-06-042023-08-27
20242024-06-232024-08-15
20252025-05-172025-07-27
20262026-06-112026-09-11

Every Fixed Threshold

Fixed thresholds at Ridder
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2322201716
35 C (95 F): Days5320081
90 F (32.2 C): Days16920232
0 C (32 F): Ice days (max24115201146
0 C (32 F): Frost days (min2175202597
-10 C (14 F): Days with min285202550
-20 C (-4 F): Days with min214202522
-30 C (-22 F): Days with min21202511
10 mm (0.39 in): Days with 10 mm or more rain5230194712
25 mm (0.98 in): Days with 25 mm or more rain45519463
50 mm (1.97 in): Days with 50 mm or more rain2119681

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1988.

Download the Data

  • Data for Ridder 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).