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Built 2026-10-18 (18 October 2026)

Kealakekua 2 28.7 Threshold Days by Year

4 fixed thresholds counted per year at Kealakekua 2 28.7 (USC00513980): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kealakekua 2 28.7 Thresholds

  • Kealakekua 2 28.7: days with 10 mm (0.39 in) or more of precipitation in 21 years, most in 1917 with 59.
  • Kealakekua 2 28.7: days with 25 mm (0.98 in) or more of precipitation in 21 years, most in 1917 with 26.
  • Kealakekua 2 28.7: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1917 with 7.
  • Kealakekua 2 28.7: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1914 with 3.
  • 4 fixed thresholds have at least one qualifying day at Kealakekua 2 28.7.
21 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Kealakekua 2 28.7 Days per year at Kealakekua 2 28.7 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 59 in 1917. 02040601905: 381906: 381907: 501908: 251909: 461910: 341911: 551912: 331913: 521914: 361915: 461916: 411917: 591918: 491919: 371920: 581921: 481922: 411939: 571940: 531941: 401905190819111914191719201939
Days per year at Kealakekua 2 28.7 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 59 in 1917.
Days with 10 mm (0.39 in) or more of precipitation per year at Kealakekua 2 28.7
YearDaysDecade average
19053839.4
19063839.4
19075039.4
19082539.4
19094639.4
19103444.2
19115544.2
19123344.2
19135244.2
19143644.2
19154644.2
19164144.2
19175944.2
19184944.2
19193744.2
19205849
19214849
19224149
19395757
19405346.5
19414046.5
First to last qualifying date each year at Kealakekua 2 28.7 For each year, a bar from the first to the last day at Kealakekua 2 28.7 meeting 10 mm (0.39 in). 1905: 8 January 1905 to 2 December 19051906: 16 January 1906 to 31 December 19061907: 1 January 1907 to 30 December 19071908: 10 February 1908 to 3 December 19081909: 26 January 1909 to 31 December 19091910: 6 January 1910 to 18 November 19101911: 1 January 1911 to 26 December 19111912: 10 March 1912 to 26 December 19121913: 4 January 1913 to 23 November 19131914: 5 January 1914 to 25 December 19141915: 21 February 1915 to 27 December 19151916: 15 January 1916 to 25 December 19161917: 8 January 1917 to 28 December 19171918: 4 January 1918 to 28 November 19181919: 23 February 1919 to 4 December 19191920: 18 January 1920 to 28 December 19201921: 9 January 1921 to 26 December 19211922: 17 January 1922 to 14 December 19221939: 14 January 1939 to 18 December 19391940: 9 January 1940 to 1 December 19401941: 6 January 1941 to 24 October 19411905190819111914191719201939JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kealakekua 2 28.7 meeting 10 mm (0.39 in).
First to last qualifying date each year at Kealakekua 2 28.7
YearFirst dateLast date
19051905-01-081905-12-02
19061906-01-161906-12-31
19071907-01-011907-12-30
19081908-02-101908-12-03
19091909-01-261909-12-31
19101910-01-061910-11-18
19111911-01-011911-12-26
19121912-03-101912-12-26
19131913-01-041913-11-23
19141914-01-051914-12-25
19151915-02-211915-12-27
19161916-01-151916-12-25
19171917-01-081917-12-28
19181918-01-041918-11-28
19191919-02-231919-12-04
19201920-01-181920-12-28
19211921-01-091921-12-26
19221922-01-171922-12-14
19391939-01-141939-12-18
19401940-01-091940-12-01
19411941-01-061941-10-24

Every Fixed Threshold

Fixed thresholds at Kealakekua 2 28.7
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2159191740
25 mm (0.98 in): Days with 25 mm or more rain2126191710
50 mm (1.97 in): Days with 50 mm or more rain20719172
100 mm (3.94 in): Days with 100 mm or more rain4319141

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

Download the Data

  • Data for Kealakekua 2 28.7 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).