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Built 2026-10-16 (16 October 2026)

Kona AP 68.3 Threshold Days by Year

8 fixed thresholds counted per year at Kona AP 68.3 (USC00514764): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kona AP 68.3 Thresholds

  • Kona AP 68.3: nights with a minimum temperature at or above 20 C (68 F) in 20 years, most in 1951 with 252.
  • Kona AP 68.3: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 1969 with 28.
  • Kona AP 68.3: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1963 with 9.
  • Kona AP 68.3: days with a maximum temperature at or above 30 C (86 F) in 19 years, most in 1968 with 99.
  • 8 fixed thresholds have at least one qualifying day at Kona AP 68.3.
19 years with a qualifying day
Days at or above 30 C (86 F) per year at Kona AP 68.3 Days per year at Kona AP 68.3 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 99 in 1968. 02550751001950: 231951: 351952: 141953: 61954: 701955: 71956: 181957: 741958: 741959: 831960: 671961: 521962: 191963: 21965: 81966: 271967: 681968: 991969: 291950195219541956195819601962196519671969
Days per year at Kona AP 68.3 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 99 in 1968.
Days at or above 30 C (86 F) per year at Kona AP 68.3
YearDaysDecade average
19502340.4
19513540.4
19521440.4
1953640.4
19547040.4
1955740.4
19561840.4
19577440.4
19587440.4
19598340.4
19606741.2
19615241.2
19621941.2
1963241.2
1965841.2
19662741.2
19676841.2
19689941.2
19692941.2
First to last qualifying date each year at Kona AP 68.3 For each year, a bar from the first to the last day at Kona AP 68.3 meeting 30 C (86 F). 1950: 5 March 1950 to 13 November 19501951: 12 March 1951 to 30 October 19511952: 15 July 1952 to 19 October 19521953: 6 April 1953 to 2 October 19531954: 22 January 1954 to 29 November 19541955: 6 November 1955 to 15 December 19551956: 22 February 1956 to 16 November 19561957: 12 April 1957 to 8 December 19571958: 4 January 1958 to 18 December 19581959: 16 March 1959 to 17 November 19591960: 13 April 1960 to 25 October 19601961: 10 April 1961 to 31 October 19611962: 18 March 1962 to 28 October 19621963: 31 May 1963 to 17 September 19631965: 7 September 1965 to 14 October 19651966: 20 May 1966 to 12 November 19661967: 25 April 1967 to 18 December 19671968: 23 April 1968 to 9 December 19681969: 15 May 1969 to 1 December 19691950195319561959196219661969JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kona AP 68.3 meeting 30 C (86 F).
First to last qualifying date each year at Kona AP 68.3
YearFirst dateLast date
19501950-03-051950-11-13
19511951-03-121951-10-30
19521952-07-151952-10-19
19531953-04-061953-10-02
19541954-01-221954-11-29
19551955-11-061955-12-15
19561956-02-221956-11-16
19571957-04-121957-12-08
19581958-01-041958-12-18
19591959-03-161959-11-17
19601960-04-131960-10-25
19611961-04-101961-10-31
19621962-03-181962-10-28
19631963-05-311963-09-17
19651965-09-071965-10-14
19661966-05-201966-11-12
19671967-04-251967-12-18
19681968-04-231968-12-09
19691969-05-151969-12-01

Every Fixed Threshold

Fixed thresholds at Kona AP 68.3
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1999196829
90 F (32.2 C): Days6719571
20 C (68 F): Tropical nights (min202521951116
25 C (77 F): Days with min5219502
10 mm (0.39 in): Days with 10 mm or more rain2028196928
25 mm (0.98 in): Days with 25 mm or more rain20919637
50 mm (1.97 in): Days with 50 mm or more rain13319591
100 mm (3.94 in): Days with 100 mm or more rain2119501

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1950.

Download the Data

  • Data for Kona AP 68.3 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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