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Data as of 2026-10-12
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Built 2026-10-19 (19 October 2026)

Ohe'o 258.6 Threshold Days by Year (USC00517000)

9 fixed thresholds counted per year at Ohe'o 258.6 (USC00517000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Ohe'o 258.6 Thresholds

  • Ohe'o 258.6: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1989 with 88.
  • Ohe'o 258.6: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1989 with 32.
  • Ohe'o 258.6: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 2004 with 11.
  • Ohe'o 258.6: days with 100 mm (3.94 in) or more of precipitation in 15 years, most in 1982 with 6.
  • 9 fixed thresholds have at least one qualifying day at Ohe'o 258.6.
9 years with a qualifying day
Days at or above 30 C (86 F) per year at Ohe'o 258.6 Days per year at Ohe'o 258.6 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 2003. 051015201999: 12000: 32001: 32002: 52003: 182004: 62006: 72011: 22013: 3199920002001200220032004200620112013
Days per year at Ohe'o 258.6 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 18 in 2003.
Days at or above 30 C (86 F) per year at Ohe'o 258.6
YearDaysDecade average
199911
200037
200137
200257
2003187
200467
200677
201122.5
201332.5
First to last qualifying date each year at Ohe'o 258.6 For each year, a bar from the first to the last day at Ohe'o 258.6 meeting 30 C (86 F). 1999: 20 October 1999 to 20 October 19992000: 11 July 2000 to 5 September 20002001: 2 July 2001 to 30 November 20012002: 9 January 2002 to 12 November 20022003: 26 May 2003 to 30 October 20032004: 9 September 2004 to 18 October 20042006: 27 August 2006 to 19 October 20062011: 4 March 2011 to 20 November 20112013: 29 August 2013 to 27 October 201319992001200320062013JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Ohe'o 258.6 meeting 30 C (86 F).
First to last qualifying date each year at Ohe'o 258.6
YearFirst dateLast date
19991999-10-201999-10-20
20002000-07-112000-09-05
20012001-07-022001-11-30
20022002-01-092002-11-12
20032003-05-262003-10-30
20042004-09-092004-10-18
20062006-08-272006-10-19
20112011-03-042011-11-20
20132013-08-292013-10-27

Every Fixed Threshold

Fixed thresholds at Ohe'o 258.6
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days91820033
90 F (32.2 C): Days1120011
20 C (68 F): Tropical nights (min133032000281
25 C (77 F): Days with min6320031
10 mm (0.39 in): Days with 10 mm or more rain3088198980
25 mm (0.98 in): Days with 25 mm or more rain3032198916
50 mm (1.97 in): Days with 50 mm or more rain291120042
100 mm (3.94 in): Days with 100 mm or more rain15619821
200 mm (7.87 in): Days with 200 mm or more rain4119821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1999.

Download the Data

  • Data for Ohe'o 258.6 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 (2026-10-12).