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Data as of 2026-10-15
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Built 2026-10-17 (17 October 2026)

Waihee 837.5 Threshold Days by Year

9 fixed thresholds counted per year at Waihee 837.5 (USC00519281): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Waihee 837.5 Thresholds

  • Waihee 837.5: days with 10 mm (0.39 in) or more of precipitation in 39 years, most in 2015 with 71.
  • Waihee 837.5: days with 25 mm (0.98 in) or more of precipitation in 39 years, most in 2006 with 30.
  • Waihee 837.5: days with 50 mm (1.97 in) or more of precipitation in 38 years, most in 2006 with 17.
  • Waihee 837.5: days with 100 mm (3.94 in) or more of precipitation in 29 years, most in 2006 with 6.
  • 9 fixed thresholds have at least one qualifying day at Waihee 837.5.
16 years with a qualifying day
Days at or above 30 C (86 F) per year at Waihee 837.5 Days per year at Waihee 837.5 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 75 in 2019. 0204060802009: 12011: 22012: 52013: 42014: 402015: 552016: 42017: 172018: 412019: 752020: 222021: 22022: 652023: 62024: 12026: 620092012201420162018202020222024
Days per year at Waihee 837.5 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 75 in 2019.
Days at or above 30 C (86 F) per year at Waihee 837.5
YearDaysDecade average
200911
2011227
2012527
2013427
20144027
20155527
2016427
20171727
20184127
20197527
20202217
2021217
20226517
2023617
2024117
2026617
First to last qualifying date each year at Waihee 837.5 For each year, a bar from the first to the last day at Waihee 837.5 meeting 30 C (86 F). 2009: 29 October 2009 to 29 October 20092011: 13 June 2011 to 24 September 20112012: 21 August 2012 to 11 October 20122013: 29 April 2013 to 12 September 20132014: 4 July 2014 to 15 November 20142015: 6 June 2015 to 11 September 20152016: 20 July 2016 to 8 August 20162017: 13 March 2017 to 1 November 20172018: 6 April 2018 to 5 October 20182019: 28 June 2019 to 27 December 20192020: 4 August 2020 to 5 November 20202021: 20 February 2021 to 31 May 20212022: 18 May 2022 to 9 November 20222023: 14 March 2023 to 8 December 20232024: 1 September 2024 to 1 September 20242026: 13 August 2026 to 10 October 202620092012201420162018202020222024JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Waihee 837.5 meeting 30 C (86 F).
First to last qualifying date each year at Waihee 837.5
YearFirst dateLast date
20092009-10-292009-10-29
20112011-06-132011-09-24
20122012-08-212012-10-11
20132013-04-292013-09-12
20142014-07-042014-11-15
20152015-06-062015-09-11
20162016-07-202016-08-08
20172017-03-132017-11-01
20182018-04-062018-10-05
20192019-06-282019-12-27
20202020-08-042020-11-05
20212021-02-202021-05-31
20222022-05-182022-11-09
20232023-03-142023-12-08
20242024-09-012024-09-01
20262026-08-132026-10-10

Every Fixed Threshold

Fixed thresholds at Waihee 837.5
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days167520196
90 F (32.2 C): Days4620151
20 C (68 F): Tropical nights (min172822018125
25 C (77 F): Days with min102020163
10 mm (0.39 in): Days with 10 mm or more rain3971201538
25 mm (0.98 in): Days with 25 mm or more rain3930200623
50 mm (1.97 in): Days with 50 mm or more rain3817200613
100 mm (3.94 in): Days with 100 mm or more rain29620067
200 mm (7.87 in): Days with 200 mm or more rain7220211

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 2009.

Download the Data

  • Data for Waihee 837.5 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-15).