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

Upper Wahiawa 874.3 Threshold Days by Year (USC00518838)

8 fixed thresholds counted per year at Upper Wahiawa 874.3 (USC00518838): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Upper Wahiawa 874.3 Thresholds

  • Upper Wahiawa 874.3: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1974 with 70.
  • Upper Wahiawa 874.3: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1974 with 27.
  • Upper Wahiawa 874.3: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1974 with 10.
  • Upper Wahiawa 874.3: days with 100 mm (3.94 in) or more of precipitation in 17 years, most in 1975 with 3.
  • 8 fixed thresholds have at least one qualifying day at Upper Wahiawa 874.3.
10 years with a qualifying day
Days at or above 30 C (86 F) per year at Upper Wahiawa 874.3 Days per year at Upper Wahiawa 874.3 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 2003. 01020301998: 111999: 22000: 92001: 152002: 192003: 292004: 132005: 102006: 112007: 11998199920002001200220032004200520062007
Days per year at Upper Wahiawa 874.3 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 29 in 2003.
Days at or above 30 C (86 F) per year at Upper Wahiawa 874.3
YearDaysDecade average
1998116.5
199926.5
2000913.4
20011513.4
20021913.4
20032913.4
20041313.4
20051013.4
20061113.4
2007113.4
First to last qualifying date each year at Upper Wahiawa 874.3 For each year, a bar from the first to the last day at Upper Wahiawa 874.3 meeting 30 C (86 F). 1998: 9 August 1998 to 24 October 19981999: 14 June 1999 to 21 August 19992000: 21 June 2000 to 21 October 20002001: 1 July 2001 to 27 October 20012002: 19 April 2002 to 5 October 20022003: 2 May 2003 to 28 October 20032004: 14 May 2004 to 15 October 20042005: 7 February 2005 to 26 September 20052006: 9 June 2006 to 6 December 20062007: 31 December 2007 to 31 December 200719982000200220042006JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Upper Wahiawa 874.3 meeting 30 C (86 F).
First to last qualifying date each year at Upper Wahiawa 874.3
YearFirst dateLast date
19981998-08-091998-10-24
19991999-06-141999-08-21
20002000-06-212000-10-21
20012001-07-012001-10-27
20022002-04-192002-10-05
20032003-05-022003-10-28
20042004-05-142004-10-15
20052005-02-072005-09-26
20062006-06-092006-12-06
20072007-12-312007-12-31

Every Fixed Threshold

Fixed thresholds at Upper Wahiawa 874.3
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days102920031
90 F (32.2 C): Days5220031
20 C (68 F): Tropical nights (min10126200569
10 mm (0.39 in): Days with 10 mm or more rain2770197436
25 mm (0.98 in): Days with 25 mm or more rain2727197410
50 mm (1.97 in): Days with 50 mm or more rain261019743
100 mm (3.94 in): Days with 100 mm or more rain17319751
200 mm (7.87 in): Days with 200 mm or more rain3119851

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1998.

Download the Data

  • Data for Upper Wahiawa 874.3 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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

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