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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Lanai AP 656 Threshold Days by Year (USC00515275)

8 fixed thresholds counted per year at Lanai AP 656 (USC00515275): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lanai AP 656 Thresholds

  • Lanai AP 656: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1951 with 22.
  • Lanai AP 656: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1950 with 13.
  • Lanai AP 656: nights with a minimum temperature at or above 20 C (68 F) in 23 years, most in 2019 with 107.
  • Lanai AP 656: days with 50 mm (1.97 in) or more of precipitation in 21 years, most in 1950 with 6.
  • 8 fixed thresholds have at least one qualifying day at Lanai AP 656.
17 years with a qualifying day
Days at or above 30 C (86 F) per year at Lanai AP 656 Days per year at Lanai AP 656 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 53 in 1993. 02040601950: 11954: 121990: 31993: 531994: 21997: 101998: 11999: 22000: 92001: 82002: 32004: 342019: 32020: 12021: 72022: 12024: 1195019901994199820002002201920212024
Days per year at Lanai AP 656 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 53 in 1993.
Days at or above 30 C (86 F) per year at Lanai AP 656
YearDaysDecade average
195016.5
1954126.5
1990311.8
19935311.8
1994211.8
19971011.8
1998111.8
1999211.8
2000913.5
2001813.5
2002313.5
20043413.5
201933
202012.5
202172.5
202212.5
202412.5
First to last qualifying date each year at Lanai AP 656 For each year, a bar from the first to the last day at Lanai AP 656 meeting 30 C (86 F). 1950: 9 August 1950 to 9 August 19501954: 3 August 1954 to 29 September 19541990: 14 August 1990 to 16 August 19901993: 3 June 1993 to 24 October 19931994: 1 September 1994 to 1 October 19941997: 1 July 1997 to 21 September 19971998: 19 August 1998 to 19 August 19981999: 2 June 1999 to 16 September 19992000: 17 August 2000 to 14 October 20002001: 11 August 2001 to 31 October 20012002: 12 October 2002 to 18 October 20022004: 4 May 2004 to 11 October 20042019: 5 September 2019 to 10 October 20192020: 18 July 2020 to 18 July 20202021: 15 September 2021 to 20 November 20212022: 4 June 2022 to 4 June 20222024: 16 September 2024 to 16 September 2024195019931998200120192022JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Lanai AP 656 meeting 30 C (86 F).
First to last qualifying date each year at Lanai AP 656
YearFirst dateLast date
19501950-08-091950-08-09
19541954-08-031954-09-29
19901990-08-141990-08-16
19931993-06-031993-10-24
19941994-09-011994-10-01
19971997-07-011997-09-21
19981998-08-191998-08-19
19991999-06-021999-09-16
20002000-08-172000-10-14
20012001-08-112001-10-31
20022002-10-122002-10-18
20042004-05-042004-10-11
20192019-09-052019-10-10
20202020-07-182020-07-18
20212021-09-152021-11-20
20222022-06-042022-06-04
20242024-09-162024-09-16

Every Fixed Threshold

Fixed thresholds at Lanai AP 656
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days175319931
90 F (32.2 C): Days2120041
20 C (68 F): Tropical nights (min23107201990
10 mm (0.39 in): Days with 10 mm or more rain3022195111
25 mm (0.98 in): Days with 25 mm or more rain291319506
50 mm (1.97 in): Days with 50 mm or more rain21619504
100 mm (3.94 in): Days with 100 mm or more rain6319551
200 mm (7.87 in): Days with 200 mm or more rain2119511

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 Lanai AP 656 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 (2026-10-17).