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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Kawailoa Threshold Days by Year

5 fixed thresholds counted per year at Kawailoa (USC00513754): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Kawailoa Thresholds

  • Kawailoa: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1918 with 31.
  • Kawailoa: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1932 with 14.
  • Kawailoa: days with 50 mm (1.97 in) or more of precipitation in 20 years, most in 1932 with 5.
  • Kawailoa: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1920 with 2.
  • 5 fixed thresholds have at least one qualifying day at Kawailoa.
23 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Kawailoa Days per year at Kawailoa with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1918. 0102030401917: 291918: 311919: 101920: 201921: 171922: 141925: 181929: 261930: 301931: 181932: 311933: 261935: 121941: 161943: 191944: 171946: 211947: 241948: 251950: 241951: 221952: 121953: 919171920192519311935194419481952
Days per year at Kawailoa with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 31 in 1918.
Days with 10 mm (0.39 in) or more of precipitation per year at Kawailoa
YearDaysDecade average
19172923.3
19183123.3
19191023.3
19202019
19211719
19221419
19251819
19292619
19303023.4
19311823.4
19323123.4
19332623.4
19351223.4
19411620.3
19431920.3
19441720.3
19462120.3
19472420.3
19482520.3
19502416.8
19512216.8
19521216.8
1953916.8
First to last qualifying date each year at Kawailoa For each year, a bar from the first to the last day at Kawailoa meeting 10 mm (0.39 in). 1917: 10 January 1917 to 26 December 19171918: 8 January 1918 to 30 December 19181919: 23 January 1919 to 30 December 19191920: 11 January 1920 to 25 December 19201921: 4 January 1921 to 23 December 19211922: 20 January 1922 to 11 September 19221925: 20 January 1925 to 31 December 19251929: 18 January 1929 to 29 December 19291930: 1 January 1930 to 17 December 19301931: 2 March 1931 to 31 December 19311932: 18 January 1932 to 31 December 19321933: 16 January 1933 to 24 December 19331935: 6 January 1935 to 14 November 19351941: 9 January 1941 to 23 October 19411943: 3 January 1943 to 27 December 19431944: 11 February 1944 to 28 December 19441946: 10 January 1946 to 23 December 19461947: 25 February 1947 to 17 December 19471948: 21 January 1948 to 24 December 19481950: 7 January 1950 to 29 December 19501951: 15 January 1951 to 31 December 19511952: 19 January 1952 to 30 November 19521953: 9 February 1953 to 27 December 195319171920192519311935194419481952JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Kawailoa meeting 10 mm (0.39 in).
First to last qualifying date each year at Kawailoa
YearFirst dateLast date
19171917-01-101917-12-26
19181918-01-081918-12-30
19191919-01-231919-12-30
19201920-01-111920-12-25
19211921-01-041921-12-23
19221922-01-201922-09-11
19251925-01-201925-12-31
19291929-01-181929-12-29
19301930-01-011930-12-17
19311931-03-021931-12-31
19321932-01-181932-12-31
19331933-01-161933-12-24
19351935-01-061935-11-14
19411941-01-091941-10-23
19431943-01-031943-12-27
19441944-02-111944-12-28
19461946-01-101946-12-23
19471947-02-251947-12-17
19481948-01-211948-12-24
19501950-01-071950-12-29
19511951-01-151951-12-31
19521952-01-191952-11-30
19531953-02-091953-12-27

Every Fixed Threshold

Fixed thresholds at Kawailoa
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain233119189
25 mm (0.98 in): Days with 25 mm or more rain231419321
50 mm (1.97 in): Days with 50 mm or more rain20519321
100 mm (3.94 in): Days with 100 mm or more rain6219201
200 mm (7.87 in): Days with 200 mm or more rain1119321

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.

Download the Data

  • Data for Kawailoa 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).