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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Wahiawa 872 Threshold Days by Year

7 fixed thresholds counted per year at Wahiawa 872 (USC00518905): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Wahiawa 872 Thresholds

  • Wahiawa 872: days with 10 mm (0.39 in) or more of precipitation in 15 years, most in 1963 with 38.
  • Wahiawa 872: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 1963 with 23.
  • Wahiawa 872: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1963 with 10.
  • Wahiawa 872: days with 100 mm (3.94 in) or more of precipitation in 9 years, most in 1955 with 5.
  • 7 fixed thresholds have at least one qualifying day at Wahiawa 872.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Wahiawa 872 Days per year at Wahiawa 872 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 1912. 0501001501911: 651912: 1181913: 811914: 471915: 191916: 191917: 21911191219131914191519161917
Days per year at Wahiawa 872 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 118 in 1912.
Days at or above 30 C (86 F) per year at Wahiawa 872
YearDaysDecade average
19116550.1
191211850.1
19138150.1
19144750.1
19151950.1
19161950.1
1917250.1
First to last qualifying date each year at Wahiawa 872 For each year, a bar from the first to the last day at Wahiawa 872 meeting 30 C (86 F). 1911: 16 July 1911 to 8 December 19111912: 25 February 1912 to 10 October 19121913: 29 June 1913 to 2 November 19131914: 17 April 1914 to 8 September 19141915: 25 May 1915 to 17 October 19151916: 21 June 1916 to 17 September 19161917: 24 April 1917 to 11 September 19171911191219131914191519161917JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Wahiawa 872 meeting 30 C (86 F).
First to last qualifying date each year at Wahiawa 872
YearFirst dateLast date
19111911-07-161911-12-08
19121912-02-251912-10-10
19131913-06-291913-11-02
19141914-04-171914-09-08
19151915-05-251915-10-17
19161916-06-211916-09-17
19171917-04-241917-09-11

Every Fixed Threshold

Fixed thresholds at Wahiawa 872
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days711819122
90 F (32.2 C): Days4219111
20 C (68 F): Tropical nights (min7146191497
10 mm (0.39 in): Days with 10 mm or more rain1538196338
25 mm (0.98 in): Days with 25 mm or more rain1523196323
50 mm (1.97 in): Days with 50 mm or more rain1410196310
100 mm (3.94 in): Days with 100 mm or more rain9519551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.

Download the Data

  • Data for Wahiawa 872 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

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