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

Koiawe Lower 196 Threshold Days by Year

5 fixed thresholds counted per year at Koiawe Lower 196 (USC00514685): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Koiawe Lower 196 Thresholds

  • Koiawe Lower 196: days with 10 mm (0.39 in) or more of precipitation in 4 years, most in 1921 with 77.
  • Koiawe Lower 196: days with 25 mm (0.98 in) or more of precipitation in 4 years, most in 1921 with 37.
  • Koiawe Lower 196: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1923 with 14.
  • Koiawe Lower 196: days with 100 mm (3.94 in) or more of precipitation in 3 years, most in 1923 with 6.
  • 5 fixed thresholds have at least one qualifying day at Koiawe Lower 196.
4 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Koiawe Lower 196 Days per year at Koiawe Lower 196 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 77 in 1921. 0204060801919: 511921: 771922: 701923: 751919192119221923
Days per year at Koiawe Lower 196 with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 77 in 1921.
Days with 10 mm (0.39 in) or more of precipitation per year at Koiawe Lower 196
YearDaysDecade average
19195151
19217774
19227074
19237574
First to last qualifying date each year at Koiawe Lower 196 For each year, a bar from the first to the last day at Koiawe Lower 196 meeting 10 mm (0.39 in). 1919: 1 January 1919 to 30 December 19191921: 4 January 1921 to 25 December 19211922: 4 January 1922 to 5 December 19221923: 2 January 1923 to 19 December 19231919192119221923JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Koiawe Lower 196 meeting 10 mm (0.39 in).
First to last qualifying date each year at Koiawe Lower 196
YearFirst dateLast date
19191919-01-011919-12-30
19211921-01-041921-12-25
19221922-01-041922-12-05
19231923-01-021923-12-19

Every Fixed Threshold

Fixed thresholds at Koiawe Lower 196
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain477192175
25 mm (0.98 in): Days with 25 mm or more rain437192132
50 mm (1.97 in): Days with 50 mm or more rain414192314
100 mm (3.94 in): Days with 100 mm or more rain3619236
200 mm (7.87 in): Days with 200 mm or more rain1119231

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1919.

Download the Data

  • Data for Koiawe Lower 196 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).