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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Keanae 346 Threshold Days by Year (USC00514091)

7 fixed thresholds counted per year at Keanae 346 (USC00514091): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Keanae 346 Thresholds

  • Keanae 346: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1914 with 204.
  • Keanae 346: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1914 with 135.
  • Keanae 346: days with 50 mm (1.97 in) or more of precipitation in 40 years, most in 1914 with 65.
  • Keanae 346: days with 100 mm (3.94 in) or more of precipitation in 40 years, most in 1948 with 20.
  • 7 fixed thresholds have at least one qualifying day at Keanae 346.
6 years with a qualifying day
Days at or above 30 C (86 F) per year at Keanae 346 Days per year at Keanae 346 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1915. 012341906: 21907: 11911: 11913: 31915: 41929: 1190619071911191319151929
Days per year at Keanae 346 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 4 in 1915.
Days at or above 30 C (86 F) per year at Keanae 346
YearDaysDecade average
190621.5
190711.5
191112.7
191332.7
191542.7
192911
First to last qualifying date each year at Keanae 346 For each year, a bar from the first to the last day at Keanae 346 meeting 30 C (86 F). 1906: 7 June 1906 to 3 December 19061907: 11 September 1907 to 11 September 19071911: 5 August 1911 to 5 August 19111913: 1 August 1913 to 17 August 19131915: 3 June 1915 to 27 June 19151929: 10 September 1929 to 10 September 1929190619071911191319151929JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Keanae 346 meeting 30 C (86 F).
First to last qualifying date each year at Keanae 346
YearFirst dateLast date
19061906-06-071906-12-03
19071907-09-111907-09-11
19111911-08-051911-08-05
19131913-08-011913-08-17
19151915-06-031915-06-27
19291929-09-101929-09-10

Every Fixed Threshold

Fixed thresholds at Keanae 346
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days6419151
20 C (68 F): Tropical nights (min162319185
10 mm (0.39 in): Days with 10 mm or more rain402041914173
25 mm (0.98 in): Days with 25 mm or more rain401351914101
50 mm (1.97 in): Days with 50 mm or more rain4065191453
100 mm (3.94 in): Days with 100 mm or more rain4020194820
200 mm (7.87 in): Days with 200 mm or more rain28719184

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1906.

Download the Data

  • Data for Keanae 346 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 (2025-12-31).