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Built 2026-10-19 (19 October 2026)

Waimea Threshold Days by Year (ASN00051099)

4 fixed thresholds counted per year at Waimea (ASN00051099): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Waimea Thresholds

  • Waimea: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1921 with 27.
  • Waimea: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1908 with 9.
  • Waimea: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1903 with 3.
  • Waimea: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1910 with 1.
  • 4 fixed thresholds have at least one qualifying day at Waimea.
31 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Waimea Days per year at Waimea with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1921. 01020301900: 101901: 121902: 71903: 131904: 141905: 101906: 221907: 151908: 201909: 191910: 161911: 201913: 151914: 131915: 111916: 221917: 161918: 91919: 111920: 241921: 271922: 111923: 81924: 161925: 111926: 101927: 101928: 131929: 111930: 151931: 1819001904190819131917192119251929
Days per year at Waimea with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 27 in 1921.
Days with 10 mm (0.39 in) or more of precipitation per year at Waimea
YearDaysDecade average
19001014.2
19011214.2
1902714.2
19031314.2
19041414.2
19051014.2
19062214.2
19071514.2
19082014.2
19091914.2
19101614.8
19112014.8
19131514.8
19141314.8
19151114.8
19162214.8
19171614.8
1918914.8
19191114.8
19202414.1
19212714.1
19221114.1
1923814.1
19241614.1
19251114.1
19261014.1
19271014.1
19281314.1
19291114.1
19301516.5
19311816.5
First to last qualifying date each year at Waimea For each year, a bar from the first to the last day at Waimea meeting 10 mm (0.39 in). 1900: 6 January 1900 to 4 July 19001901: 21 April 1901 to 28 October 19011902: 9 June 1902 to 18 December 19021903: 26 January 1903 to 25 December 19031904: 3 January 1904 to 17 December 19041905: 23 January 1905 to 31 December 19051906: 13 February 1906 to 29 November 19061907: 12 January 1907 to 28 December 19071908: 7 January 1908 to 12 December 19081909: 20 January 1909 to 26 December 19091910: 12 January 1910 to 12 December 19101911: 4 January 1911 to 16 December 19111913: 7 January 1913 to 28 December 19131914: 27 February 1914 to 22 December 19141915: 1 January 1915 to 15 December 19151916: 7 March 1916 to 12 December 19161917: 19 January 1917 to 27 December 19171918: 11 January 1918 to 22 August 19181919: 20 January 1919 to 29 December 19191920: 19 January 1920 to 10 December 19201921: 4 January 1921 to 27 December 19211922: 13 January 1922 to 11 December 19221923: 4 June 1923 to 27 December 19231924: 18 January 1924 to 13 November 19241925: 17 January 1925 to 31 December 19251926: 3 January 1926 to 27 December 19261927: 6 January 1927 to 10 December 19271928: 20 January 1928 to 22 December 19281929: 17 February 1929 to 27 December 19291930: 24 January 1930 to 25 November 19301931: 25 January 1931 to 8 December 193119001904190819131917192119251929JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Waimea meeting 10 mm (0.39 in).
First to last qualifying date each year at Waimea
YearFirst dateLast date
19001900-01-061900-07-04
19011901-04-211901-10-28
19021902-06-091902-12-18
19031903-01-261903-12-25
19041904-01-031904-12-17
19051905-01-231905-12-31
19061906-02-131906-11-29
19071907-01-121907-12-28
19081908-01-071908-12-12
19091909-01-201909-12-26
19101910-01-121910-12-12
19111911-01-041911-12-16
19131913-01-071913-12-28
19141914-02-271914-12-22
19151915-01-011915-12-15
19161916-03-071916-12-12
19171917-01-191917-12-27
19181918-01-111918-08-22
19191919-01-201919-12-29
19201920-01-191920-12-10
19211921-01-041921-12-27
19221922-01-131922-12-11
19231923-06-041923-12-27
19241924-01-181924-11-13
19251925-01-171925-12-31
19261926-01-031926-12-27
19271927-01-061927-12-10
19281928-01-201928-12-22
19291929-02-171929-12-27
19301930-01-241930-11-25
19311931-01-251931-12-08

Every Fixed Threshold

Fixed thresholds at Waimea
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3127192118
25 mm (0.98 in): Days with 25 mm or more rain30919084
50 mm (1.97 in): Days with 50 mm or more rain18319032
100 mm (3.94 in): Days with 100 mm or more rain1119101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.

Download the Data

  • Data for Waimea 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).